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Medical Terms

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PAD

PAD: Abbreviation for peripheral artery disease, a condition caused by atherosclerosis in the arteries in the legs or leading to them.

Created: 2024-12-06 13:34:22

Last Updated: 2024-12-06 13:34:22

PCOS

PCOS: Abbreviation for polycystic ovary syndrome, an inherited disorder characterized by the formation of abnormal cysts in enlarged ovaries; a leading cause of female infertility and a common cause of excess facial or body hair (hirsutism).

Created: 2024-12-06 14:40:16

Last Updated: 2024-12-06 14:40:16

PDE5 inhibitors

PDE5 inhibitors: Abbreviation for phosphodiesterase type 5 inhibitors, drugs that can help a man achieve and maintain an erection.

Created: 2024-12-06 13:34:28

Last Updated: 2024-12-06 13:34:28

PET Imaging Energy Range

PET Imaging Energy Range: Involves 511 keV gamma photons resulting from positron-electron annihilation during PET scans.

Created: 2024-12-06 13:34:46

Last Updated: 2024-12-06 13:34:46

PET-CT Scanner

PET/CT Scanner: A hybrid imaging device that combines PET and CT technologies, providing both functional and anatomical imaging in a single scan, commonly used in oncology for cancer diagnosis and staging.

Created: 2024-12-07 14:39:23

Last Updated: 2024-12-07 14:39:23

PET-CT in Radiotherapy

PET-CT in Radiotherapy: The use of PET (Positron Emission Tomography) combined with CT scans to improve the accuracy of radiotherapy planning by visualizing tumor metabolism.

Created: 2024-12-06 13:34:36

Last Updated: 2024-12-06 13:34:36

PSA

PSA: Abbreviation for prostate-specific antigen, a protein produced by the prostate. Elevated levels may indicate the presence of cancer, benign prostatic hyperplasia, or prostatitis.

Created: 2024-12-06 13:35:04

Last Updated: 2024-12-06 13:35:04

PSA velocity

PSA velocity: The rate at which a mans PSA level increases over time.

Created: 2024-12-06 13:35:00

Last Updated: 2024-12-06 13:35:00

PTCA

PTCA: Abbreviation for percutaneous transluminal coronary angioplasty, a procedure used to open blocked coronary arteries.

Created: 2024-12-06 13:35:07

Last Updated: 2024-12-06 13:35:07

PTSD

PTSD: Abbreviation for post-traumatic stress disorder, a prolonged reaction to a traumatic event. PTSD can cause crippling anxiety and leading to other problems, such as sleep disturbances, depression, and substance abuse.

Created: 2024-12-06 13:35:09

Last Updated: 2024-12-06 13:35:09

Pagets Disease of Bone

Pagets Disease of Bone: A chronic disorder causing enlarged and deformed bones due to abnormal bone remodeling.

Created: 2024-12-06 13:35:29

Last Updated: 2024-12-06 13:35:29

Pain Management Center

Pain Management Center: A medical facility that specializes in treating chronic pain through various therapies and interventions.

Created: 2024-12-07 17:30:05

Last Updated: 2024-12-07 17:30:05

Pain Management Specialist

Pain Management Specialist: A doctor who focuses on the diagnosis and treatment of chronic pain, including pain associated with cancer, arthritis, and back pain.

Created: 2024-12-07 14:39:55

Last Updated: 2024-12-07 14:39:55

Palliative Care Nurse

Palliative Care Nurse: A nurse who provides care to patients with serious or terminal illnesses, focusing on comfort and symptom relief.

Created: 2024-12-07 17:30:18

Last Updated: 2024-12-07 17:30:18

Palliative Care Specialist

Palliative Care Specialist: A doctor focused on improving the quality of life for patients with serious, chronic, or terminal illnesses, including managing symptoms like pain and fatigue.

Created: 2024-12-07 14:40:05

Last Updated: 2024-12-07 14:40:05

Palliative Radiotherapy

Palliative Radiotherapy: Radiation therapy aimed at alleviating symptoms, such as pain, from advanced or metastatic cancer, rather than attempting to cure the disease.

Created: 2024-12-06 13:35:35

Last Updated: 2024-12-06 13:35:35

Palmar Arch

Palmar Arch: Vascular structure in the palm formed by the ulnar and radial arteries, supplying blood to the hand.

Created: 2024-12-06 13:35:40

Last Updated: 2024-12-06 13:35:40

Pancreatic Adenocarcinoma

Pancreatic Adenocarcinoma: A malignancy of the exocrine pancreas, often presenting late. CT shows a hypodense mass in the pancreas with dilated bile ducts (double duct sign).

Created: 2024-12-06 13:35:47

Last Updated: 2024-12-06 13:35:47

Panners Disease

Panners Disease: Osteochondrosis of the elbow affecting the capitellum, seen in young athletes.

Created: 2024-12-06 13:35:55

Last Updated: 2024-12-06 13:35:55

Pantoprazole

Pantoprazole: A proton pump inhibitor used to treat GERD, ulcers, and Zollinger-Ellison syndrome.

Created: 2024-12-06 13:35:58

Last Updated: 2024-12-06 13:35:58

Papillomavirus

Papillomavirus: A group of DNA viruses known for causing warts and some types of cancer, including cervical cancer (e.g., human papillomavirus, HPV).

Created: 2024-12-07 14:40:14

Last Updated: 2024-12-07 14:40:14

Paracetamol

Paracetamol: A widely used analgesic and antipyretic (same as acetaminophen).

Created: 2024-12-06 13:36:01

Last Updated: 2024-12-06 13:36:01

Paragonimus westermani

Paragonimus westermani: A lung fluke that causes paragonimiasis, leading to symptoms resembling tuberculosis, often contracted through raw or undercooked crustaceans.

Created: 2024-12-06 13:36:09

Last Updated: 2024-12-06 13:36:09

Paramedic

Paramedic: A highly trained healthcare professional who provides emergency medical care and can perform advanced life-saving procedures.

Created: 2024-12-07 17:30:29

Last Updated: 2024-12-07 17:30:29

Paramyxovirus

Paramyxovirus: A family of RNA viruses that cause respiratory and systemic diseases, including measles, mumps, and respiratory syncytial virus (RSV).

Created: 2024-12-07 14:40:24

Last Updated: 2024-12-07 14:40:24

Parietal Bone

Parietal Bone: The bones on the top and sides of the skull, forming the roof of the cranial cavity.

Created: 2024-12-06 13:36:15

Last Updated: 2024-12-06 13:36:15

Parkinsons Disease

Parkinsons Disease: A neurodegenerative disorder that primarily affects motor function, causing tremors, rigidity, bradykinesia, and postural instability, linked to the loss of dopaminergic neurons in the brain.

Created: 2024-12-06 14:40:45

Last Updated: 2024-12-06 14:40:45

Parosteal Osteosarcoma

Parosteal Osteosarcoma: A low-grade malignant tumor arising from the outer surface of bone.

Created: 2024-12-06 13:36:28

Last Updated: 2024-12-06 13:36:28

Paroxetine

Paroxetine: A selective serotonin reuptake inhibitor (SSRI) used to treat depression, anxiety, and panic disorder.

Created: 2024-12-06 13:36:32

Last Updated: 2024-12-06 13:36:32

Patella

Patella: The kneecap, a sesamoid bone that protects and lubricates the knee joint.

Created: 2024-12-06 13:36:47

Last Updated: 2024-12-06 13:36:47

Patellar Dislocation

Patellar Dislocation: A dislocation where the kneecap (patella) is displaced from its normal position in the knee joint.

Created: 2024-12-07 16:57:50

Last Updated: 2024-12-07 16:57:50

Patellar Tendinitis

Patellar Tendinitis: Inflammation of the tendon connecting the kneecap to the shinbone, also called jumpers knee.

Created: 2024-12-06 14:40:55

Last Updated: 2024-12-06 14:40:55

Patellofemoral Pain Syndrome

Patellofemoral Pain Syndrome: Pain around the kneecap due to overuse or misalignment.

Created: 2024-12-06 13:36:58

Last Updated: 2024-12-06 13:36:58

Pathologic Fracture

Pathologic Fracture: A fracture occurring in weakened bone due to disease, such as osteoporosis or cancer.

Created: 2024-12-06 13:37:04

Last Updated: 2024-12-06 13:37:04

Pathological Fracture

Pathological Fracture: A fracture caused by a disease that weakens the bones, such as osteoporosis or cancer.

Created: 2024-12-07 16:58:05

Last Updated: 2024-12-07 16:58:05

Pathologist

Pathologist: A medical specialist who studies tissues, organs, and fluids to diagnose diseases, especially cancers, infections, and genetic disorders.

Created: 2024-12-07 14:40:38

Last Updated: 2024-12-07 14:40:38

Pathology Department

Pathology Department: A hospital department that examines tissues, organs, and autopsies to diagnose diseases.

Created: 2024-12-07 23:02:24

Last Updated: 2024-12-07 23:02:24

Patient Radiation Protection

Patient Radiation Protection: Measures taken during diagnostic or therapeutic procedures to minimize unnecessary radiation exposure to patients, such as using lower radiation doses or protective shielding.

Created: 2024-12-06 13:37:10

Last Updated: 2024-12-06 13:37:10

Pectoral Girdle

Pectoral Girdle: The bony structure formed by the clavicles and scapulae, connecting the arms to the axial skeleton.

Created: 2024-12-06 13:37:17

Last Updated: 2024-12-06 13:37:17

Pediatric Herpes Simplex Virus (HSV) Infection

Pediatric Herpes Simplex Virus (HSV) Infection: A viral infection that can affect the skin, eyes, or mucous membranes, leading to blisters and ulcers.

Created: 2024-12-06 13:37:25

Last Updated: 2024-12-06 13:37:25

Pediatric Nurse

Pediatric Nurse: A nurse specializing in the care of infants, children, and adolescents, including those with complex medical needs.

Created: 2024-12-07 17:31:10

Last Updated: 2024-12-07 17:31:10

Pediatric Radiologist

Pediatric Radiologist: A radiologist who focuses on diagnosing diseases in children using imaging techniques, including pediatric-specific considerations for radiation doses and imaging techniques.

Created: 2024-12-07 14:40:57

Last Updated: 2024-12-07 14:40:57

Pediatrician

Pediatrician: A doctor specializing in the care of infants, children, and adolescents, providing routine check-ups, immunizations, and treatment for childhood diseases.

Created: 2024-12-07 14:41:02

Last Updated: 2024-12-07 14:41:02

Pediatrics Department

Pediatrics Department: A specialized department for the medical care of infants, children, and adolescents.

Created: 2024-12-07 17:31:24

Last Updated: 2024-12-07 17:31:24

Pediculus humanus capitis

Pediculus humanus capitis: A blood-sucking parasite commonly known as the louse (plural, lice) that can cause an itchy scalp; infestations are highly contagious and especially common in school-age children.

Created: 2024-12-06 13:37:32

Last Updated: 2024-12-06 13:37:32

Pelvic Radiotherapy

Pelvic Radiotherapy: Radiation therapy for cancers located in the pelvic region, including prostate, bladder, and gynecological cancers.

Created: 2024-12-06 13:37:38

Last Updated: 2024-12-06 13:37:38

Pelvis

Pelvis: The bony structure located at the base of the spine, supporting the weight of the upper body.

Created: 2024-12-06 14:41:26

Last Updated: 2024-12-06 14:41:26

Pelvis Lateral Protocol

Pelvis Lateral Protocol: Patient Positioning: Lying on the affected side with the hips stacked, central ray directed to the mid-pelvis; Imaging Settings: 70–80 kVp, 10–15 mAs; Common Views: Lateral view to assess the acetabulum, femoral head, and pelvic ring.

Created: 2024-12-06 14:41:20

Last Updated: 2024-12-06 14:41:20

Penicillin

Penicillin: A broad-spectrum antibiotic used to treat bacterial infections like strep throat, pneumonia, and syphilis.

Created: 2024-12-06 14:41:32

Last Updated: 2024-12-06 14:41:32

Perforating Fibers

Perforating Fibers: Collagen fibers that connect tendons and ligaments to bones.

Created: 2024-12-06 14:41:49

Last Updated: 2024-12-06 14:41:49

Pericardial Sinus

Pericardial Sinus: Spaces in the hearts pericardium that allow the heart to move and expand within the chest cavity.

Created: 2024-12-07 14:41:16

Last Updated: 2024-12-07 14:41:16

Pericarditis

Pericarditis: Inflammation of the pericardium, the sac surrounding the heart, often causing chest pain and difficulty breathing.

Created: 2024-12-06 14:42:04

Last Updated: 2024-12-06 14:42:04

Periosteum

Periosteum: The dense layer of vascular connective tissue surrounding the bones, providing nourishment and enabling bone growth and repair.

Created: 2024-12-06 14:42:10

Last Updated: 2024-12-06 14:42:10

Periostitis

Periostitis: Inflammation of the periosteum, a layer of connective tissue surrounding bone.

Created: 2024-12-06 14:42:17

Last Updated: 2024-12-06 14:42:17

Peripheral Artery Disease

Peripheral Artery Disease: A condition in which narrowed arteries reduce blood flow to the limbs, leading to pain, cramping, and potential tissue damage.

Created: 2024-12-06 14:42:29

Last Updated: 2024-12-06 14:42:29

Permanent Brachytherapy

Permanent Brachytherapy: A form of brachytherapy where the radioactive source is left inside the body, typically for prostate cancer treatment.

Created: 2024-12-06 14:42:39

Last Updated: 2024-12-06 14:42:39

Peroneal Artery

Peroneal Artery: Artery that supplies blood to the muscles of the lower leg and foot, particularly on the outer side of the leg.

Created: 2024-12-06 14:42:55

Last Updated: 2024-12-06 14:42:55

Personal Protective Devices

Personal Protective Devices: Equipment such as lead aprons, thyroid shields, goggles, and gloves used to minimize radiation exposure to individuals working in or around radioactive materials.

Created: 2024-12-06 14:43:09

Last Updated: 2024-12-06 14:43:09

Perthes Disease

Perthes Disease: A childhood hip disorder due to temporary loss of blood supply to the femoral head.

Created: 2024-12-06 14:43:24

Last Updated: 2024-12-06 14:43:24

Pes Cavus

Pes Cavus: A high arch in the foot, often associated with neuromuscular conditions.

Created: 2024-12-06 14:43:33

Last Updated: 2024-12-06 14:43:33

Peyronies disease

Peyronies disease: Scarring of some of the tissue inside the penis, causing the penis to bend at an angle during an erection.

Created: 2024-12-06 14:44:09

Last Updated: 2024-12-06 14:44:09

Phaeophyceae

Phaeophyceae: A class of brown algae that includes species like kelp, which are important for marine ecosystems and are used in food and industrial applications.

Created: 2024-12-07 14:41:30

Last Updated: 2024-12-07 14:41:30

Phalanges (Foot)

Phalanges (Foot): The bones of the toes, each consisting of three bones except for the big toe, which has two.

Created: 2024-12-06 14:44:22

Last Updated: 2024-12-06 14:44:22

Pharmacy

Pharmacy: A healthcare facility that dispenses medications and provides pharmaceutical advice.

Created: 2024-12-07 17:31:59

Last Updated: 2024-12-07 17:31:59

Pharmacy Technician

Pharmacy Technician: A healthcare worker who assists pharmacists in preparing and dispensing medications.

Created: 2024-12-07 17:31:53

Last Updated: 2024-12-07 17:31:53

Pharynx

Pharynx: A muscular tube that connects the nasal cavity and mouth to the larynx and esophagus, involved in both respiratory and digestive systems.

Created: 2024-12-06 14:44:32

Last Updated: 2024-12-06 14:44:32

Phenytoin

Phenytoin: An anticonvulsant used to control seizures.

Created: 2024-12-06 14:44:39

Last Updated: 2024-12-06 14:44:39

Phlebotomist

Phlebotomist: A specialist who is trained to draw blood from patients for testing, donation, or transfusion purposes.

Created: 2024-12-07 17:32:06

Last Updated: 2024-12-07 17:32:06

Phosphorus-32

Phosphorus (P): Phosphorus-32 is a commonly used radioactive isotope in biological and medical research, particularly for cancer treatment.

Created: 2024-12-06 14:44:52

Last Updated: 2024-12-06 14:44:52

Photon Flux

Photon Flux: The rate at which photons (such as X-rays or gamma rays) pass through a given area, typically expressed in photons per square meter per second (ph/m²/s).

Created: 2024-12-06 14:45:05

Last Updated: 2024-12-06 14:45:05

Physical Therapist (PT)

Physical Therapist (PT): A specialist in treating patients with physical impairments or injuries to improve movement and manage pain.

Created: 2024-12-07 17:33:52

Last Updated: 2024-12-07 17:33:52

Physician Assistant (PA)

Physician Assistant (PA): A licensed healthcare professional who works under the supervision of a physician, providing diagnosis, treatment, and preventive care.

Created: 2024-12-07 17:33:29

Last Updated: 2024-12-07 17:33:29

Physis

Physis: Another term for the epiphyseal plate, responsible for the growth of bones in length.

Created: 2024-12-06 14:45:12

Last Updated: 2024-12-06 14:45:12

Picks disease

Picks disease: A brain disorder that causes dementia, neurotic behavior, and gradual changes in personality and emotional control.

Created: 2024-12-06 14:45:30

Last Updated: 2024-12-06 14:45:30

Picornavirus

Picornavirus: A family of RNA viruses that includes enteroviruses (e.g., poliovirus, coxsackievirus) and rhinoviruses (common cold viruses).

Created: 2024-12-07 14:41:42

Last Updated: 2024-12-07 14:41:42

Pineal Gland

Pineal Gland: A small endocrine gland located in the brain, responsible for regulating circadian rhythms.

Created: 2024-12-06 14:45:42

Last Updated: 2024-12-06 14:45:42

Piperacillin

Piperacillin: A broad-spectrum penicillin antibiotic used to treat infections caused by susceptible bacteria.

Created: 2024-12-06 14:45:49

Last Updated: 2024-12-06 14:45:49

Pittsburgh Compound B

Pittsburgh Compound B: A substance that binds to amyloid proteins in the brain (markers for Alzheimers disease), making them visible under positron emission tomography (PET) scanning.

Created: 2024-12-06 14:46:14

Last Updated: 2024-12-06 14:46:14

Pivot Joint

Pivot Joint: A joint that allows for rotational movement, such as the joint between the first and second cervical vertebrae.

Created: 2024-12-06 14:46:24

Last Updated: 2024-12-06 14:46:24

Planning Target Volume (PTV)

Planning Target Volume (PTV): The volume that includes the CTV plus margins to account for patient movement and variations in treatment delivery.

Created: 2024-12-06 14:46:36

Last Updated: 2024-12-06 14:46:36

Plantar Fasciitis

Plantar Fasciitis: Inflammation of the plantar fascia, causing heel pain.

Created: 2024-12-06 14:46:47

Last Updated: 2024-12-06 14:46:47

Plasmid

Plasmid: A small, circular piece of DNA often used as a vector to carry genetic material in bacteria.

Created: 2024-12-06 14:46:53

Last Updated: 2024-12-06 14:46:53

Plasmodium falciparum

Plasmodium falciparum: A protozoan parasite that causes malaria, transmitted through the bites of infected Anopheles mosquitoes and primarily affects the liver and red blood cells.

Created: 2024-12-07 14:42:00

Last Updated: 2024-12-07 14:42:00

Plasmodium knowlesi

Plasmodium knowlesi: A zoonotic malaria parasite, primarily infecting macaques but also humans in Southeast Asia.

Created: 2024-12-06 14:47:06

Last Updated: 2024-12-06 14:47:06

Plastic Surgery

Plastic Surgery: A surgeon who performs reconstructive and aesthetic surgeries to restore form and function, such as cleft lip repair and cosmetic breast augmentation.

Created: 2024-12-07 14:42:09

Last Updated: 2024-12-07 14:42:09

Plastic Surgery Department

Plastic Surgery Department: A medical department specializing in the repair, reconstruction, or alteration of the body.

Created: 2024-12-07 17:34:15

Last Updated: 2024-12-07 17:34:15

Pleura

Pleura: A double-layered membrane surrounding the lungs and lining the chest cavity, providing lubrication to reduce friction during breathing.

Created: 2024-12-06 14:47:15

Last Updated: 2024-12-06 14:47:15

Pleural Effusion

Pleural Effusion: A condition in which excess fluid accumulates in the pleural cavity, impairing lung expansion.

Created: 2024-12-06 14:47:25

Last Updated: 2024-12-06 14:47:25

Plutonium

Plutonium (Pu): Known for its role in nuclear reactors and atomic weapons, plutonium is highly radioactive and toxic.

Created: 2024-12-04 09:20:50

Last Updated: 2024-12-04 09:20:50

Pneumocystis jirovecii

Pneumocystis jirovecii: A fungus that causes pneumocystis pneumonia (PCP), an opportunistic infection primarily affecting immunocompromised individuals, especially those with HIV/AIDS.

Created: 2024-12-07 14:42:27

Last Updated: 2024-12-07 14:42:27

Pneumocytes

Pneumocytes: Specialized cells in the alveoli, including Type I and Type II cells, that assist in gas exchange and the production of surfactant.

Created: 2024-12-06 14:47:38

Last Updated: 2024-12-06 14:47:38

Pneumonia

Pneumonia: An infection of the lungs that can cause inflammation and fluid buildup, leading to symptoms such as cough, fever, and difficulty breathing.

Created: 2024-12-06 14:47:43

Last Updated: 2024-12-06 14:47:43

Pneumothorax

Pneumothorax: A condition where air leaks into the space between the lungs and chest wall, causing the lung to collapse.

Created: 2024-12-06 14:47:49

Last Updated: 2024-12-06 14:47:49

Point Mutation

Point Mutation: A genetic mutation where a single nucleotide base pair is substituted, inserted, or deleted.

Created: 2024-12-06 14:47:59

Last Updated: 2024-12-06 14:47:59

Polarized Exocytosis

Polarized Exocytosis: The targeted delivery of vesicles to specific regions of the cell membrane, often seen in epithelial cells.

Created: 2024-12-07 16:59:34

Last Updated: 2024-12-07 16:59:34

Polydactyly

Polydactyly: A congenital condition characterized by extra fingers or toes.

Created: 2024-12-06 14:48:04

Last Updated: 2024-12-06 14:48:04

Polymerase Chain Reaction (PCR)

Polymerase Chain Reaction (PCR): A technique used to amplify small segments of DNA to create millions of copies for analysis.

Created: 2024-12-06 14:48:16

Last Updated: 2024-12-06 14:48:16

Popliteal Vein

Popliteal Vein: Vein that carries blood from the lower leg and thigh back to the femoral vein.

Created: 2024-12-06 14:48:28

Last Updated: 2024-12-06 14:48:28

Porphyra umbilicalis

Porphyra umbilicalis: A type of red algae used in the production of nori, commonly found in Japanese cuisine and used in sushi.

Created: 2024-12-07 14:42:45

Last Updated: 2024-12-07 14:42:45

Portable Ultrasound Machine

Portable Ultrasound Machine: A compact ultrasound device that is highly portable, often used for point-of-care diagnostic imaging in emergency and field settings.

Created: 2024-12-06 14:48:40

Last Updated: 2024-12-06 14:48:40

Positron Emission Tomography (PET)

Positron Emission Tomography (PET): A radiology technique that involves injecting radioactive tracers into the body to visualize metabolic activity and detect abnormalities in tissues and organs.

Created: 2024-12-06 14:48:54

Last Updated: 2024-12-06 14:48:54

Positrons

Positrons: Emitted during positron emission tomography (PET), resulting in 511 keV gamma rays when annihilation occurs.

Created: 2024-12-06 14:49:00

Last Updated: 2024-12-06 14:49:00

Post-Radiotherapy Care

Post-Radiotherapy Care: Follow-up care provided to patients after they complete their radiation therapy to monitor for side effects, recovery, and disease recurrence.

Created: 2024-12-06 14:49:38

Last Updated: 2024-12-06 14:49:38

Potassium-40

Potassium (K): Potassium-40 is a naturally occurring isotope that is radioactive and is used in geochronology.

Created: 2024-12-06 14:49:50

Last Updated: 2024-12-06 14:49:50

Potts Disease

Potts Disease: Tuberculosis of the spine, causing bone and joint destruction.

Created: 2024-12-06 14:50:31

Last Updated: 2024-12-06 14:50:31

Poxvirus

Poxvirus: A family of large DNA viruses, including variola virus (smallpox), monkeypox virus, and cowpox virus.

Created: 2024-12-07 14:42:57

Last Updated: 2024-12-07 14:42:57

Praseodymium-141

Praseodymium (Pr): Praseodymium-141 is a radioactive isotope used in research, especially in nuclear physics experiments.

Created: 2024-12-06 14:51:09

Last Updated: 2024-12-06 14:51:09

Prednisolone

Prednisolone: A corticosteroid used to treat inflammation and autoimmune conditions.

Created: 2024-12-06 14:51:15

Last Updated: 2024-12-06 14:51:15

Prednisone

Prednisone: A corticosteroid used to treat inflammation and autoimmune diseases.

Created: 2024-12-06 14:51:22

Last Updated: 2024-12-06 14:51:22

Preventive Radiation Protection

Preventive Radiation Protection: Measures taken proactively to reduce radiation exposure risks, such as shielding, distance, and exposure time management.

Created: 2024-12-06 14:51:35

Last Updated: 2024-12-06 14:51:35

Prion Diseases

Prion Diseases: A group of rare neurodegenerative diseases caused by abnormal folding of prion proteins, leading to rapidly progressive dementia, such as Creutzfeldt-Jakob disease.

Created: 2024-12-06 14:51:56

Last Updated: 2024-12-06 14:51:56

Probes

Probes: Thin, flexible tools used to explore or measure body cavities, such as the nasal cavity, wounds, or to locate foreign objects.

Created: 2024-12-07 14:43:07

Last Updated: 2024-12-07 14:43:07

Proctoscope

Proctoscope: A short endoscope used for examining the rectum and lower colon during diagnostic procedures or surgeries.

Created: 2024-12-07 14:43:19

Last Updated: 2024-12-07 14:43:19

Promoter

Promoter: A region of DNA that initiates transcription of a particular gene by binding RNA polymerase.

Created: 2024-12-06 14:52:02

Last Updated: 2024-12-06 14:52:02

Propranolol

Propranolol: A beta-blocker used to treat high blood pressure, arrhythmias, and anxiety.

Created: 2024-12-06 14:52:08

Last Updated: 2024-12-06 14:52:08

Prostate Cancer

Prostate Cancer: A malignancy of the prostate gland. MRI shows hypointense lesions on T2-weighted imaging and restricted diffusion.

Created: 2024-12-06 14:52:38

Last Updated: 2024-12-06 14:52:38

Prostate-Specific Antigen (PSA)

Prostate-Specific Antigen (PSA): A blood test used to measure the level of PSA, a protein produced by the prostate, to screen for prostate cancer.

Created: 2024-12-06 14:52:25

Last Updated: 2024-12-06 14:52:25

Prosthetics and Orthotics Center

Prosthetics and Orthotics Center: A facility that designs and fits artificial limbs and orthotic devices for patients.

Created: 2024-12-07 17:34:54

Last Updated: 2024-12-07 17:34:54

Protactinium

Protactinium (Pa): A radioactive element found in uranium ores and used in research, particularly in nuclear physics.

Created: 2024-12-04 09:20:50

Last Updated: 2024-12-04 09:20:50

Protection of Pregnant Workers

Protection of Pregnant Workers: Special protocols designed to minimize radiation exposure for pregnant workers, to protect the developing fetus from potential harm.

Created: 2024-12-06 14:52:56

Last Updated: 2024-12-06 14:52:56

Protective Lead Glass

Protective Lead Glass: Lead-infused glass used in windows and barriers to shield individuals from harmful radiation in environments like X-ray rooms.

Created: 2024-12-06 14:53:08

Last Updated: 2024-12-06 14:53:08

Prothrombin Time (PT)

Prothrombin Time (PT): A blood test that measures how long it takes for blood to clot and helps assess the bloods clotting ability.

Created: 2024-12-07 17:00:02

Last Updated: 2024-12-07 17:00:02

Proton Therapy

Proton Therapy: A type of radiation therapy that uses protons instead of x-rays to treat cancer, offering better precision and reduced side effects.

Created: 2024-12-06 14:53:36

Last Updated: 2024-12-06 14:53:36

Proximal Humerus Fracture

Proximal Humerus Fracture: A break near the top of the upper arm bone, often from falls or trauma.

Created: 2024-12-06 14:53:48

Last Updated: 2024-12-06 14:53:48

Pseudarthrosis

Pseudarthrosis: False joint formation caused by an unhealed bone fracture.

Created: 2024-12-06 14:53:54

Last Updated: 2024-12-06 14:53:54

Pseudomonas aeruginosa

Pseudomonas aeruginosa: A Gram-negative bacterium known for its role in hospital-acquired infections, particularly in immunocompromised patients.

Created: 2024-12-07 17:00:26

Last Updated: 2024-12-07 17:00:26

Psoriatic Arthritis

Psoriatic Arthritis: A type of arthritis associated with psoriasis, leading to joint pain and stiffness.

Created: 2024-12-06 14:54:19

Last Updated: 2024-12-06 14:54:19

Psychiatric

Psychiatric Facility: A healthcare facility focused on the diagnosis and treatment of mental health disorders.

Created: 2024-12-07 17:14:39

Last Updated: 2024-12-07 17:14:39

Psychiatrist

Psychiatrist: A medical professional specializing in the diagnosis, treatment, and prevention of mental health disorders, including depression, anxiety, and schizophrenia.

Created: 2024-12-07 14:43:41

Last Updated: 2024-12-07 14:43:41

Pubis

Pubis: The front part of the pelvis, where the two sides meet at the pubic symphysis.

Created: 2024-12-06 14:54:39

Last Updated: 2024-12-06 14:54:39

Public Health Nurse

Public Health Nurse: A nurse focused on promoting health in communities through education, disease prevention, and health programs.

Created: 2024-12-07 17:35:22

Last Updated: 2024-12-07 17:35:22

Public Health Specialist

Public Health Specialist: A professional focused on improving health and preventing disease through public policy, education, and community health initiatives.

Created: 2024-12-07 14:44:06

Last Updated: 2024-12-07 14:44:06

Pulmonary veins

Pulmonary Veins: Veins that return oxygenated blood from the lungs to the left atrium of the heart.

Created: 2024-12-06 14:55:03

Last Updated: 2024-12-06 14:55:03

Pulmonologist

Pulmonologist: A doctor who specializes in the respiratory system, treating conditions like asthma, chronic obstructive pulmonary disease (COPD), and pneumonia.

Created: 2024-12-07 14:44:12

Last Updated: 2024-12-07 14:44:12

Pulmonology Clinic

Pulmonology Clinic: A specialized facility for diagnosing and treating lung and respiratory conditions.

Created: 2024-12-07 17:36:08

Last Updated: 2024-12-07 17:36:08

Pulse Oximeter

Pulse Oximeter: A non-invasive device that measures the oxygen saturation level in a patients blood.

Created: 2024-12-07 17:00:52

Last Updated: 2024-12-07 17:00:52

Pyogenic Arthritis

Pyogenic Arthritis: Joint infection caused by bacteria, leading to severe pain and swelling.

Created: 2024-12-07 14:43:56

Last Updated: 2024-12-07 14:43:56

pH monitoring

pH monitoring: A test to determine whether stomach acid is backing up into the esophagus. For this test, a sensing probe is inserted through the nose and positioned above the lower esophageal sphincter.

Created: 2024-12-06 11:52:52

Last Updated: 2024-12-06 11:52:52

pacemaker

pacemaker, natural: A specialized cluster of cells called the sinoatrial node in the top of the right atrium. The pacemaker produces a steady flow of beat now signals that flash across the atria and then pass through the atrioventricular node to the ventricles.

Created: 2024-12-06 11:52:46

Last Updated: 2024-12-06 11:52:46

painkillers

painkillers: Drugs that relieve pain.

Created: 2024-12-06 11:52:43

Last Updated: 2024-12-06 11:52:43

palate

palate: The tissues that make up the roof of the mouth.

Created: 2024-12-06 11:52:40

Last Updated: 2024-12-06 11:52:40

palliative care

palliative care: Treatment that relieves the symptoms of a serious illness, but does not cure the disease itself.

Created: 2024-12-06 11:52:36

Last Updated: 2024-12-06 11:52:36

palpate

palpate: To examine a part of the body by touching it carefully.

Created: 2024-12-06 11:52:30

Last Updated: 2024-12-06 11:52:30

palpitation

palpitation: Sensation that the heart is beating rapidly or irregularly.

Created: 2024-12-06 11:52:28

Last Updated: 2024-12-06 11:52:28

palsy

palsy: Paralysis in part of the body, often with loss of sensation and uncontrolled body movements.

Created: 2024-12-06 11:52:24

Last Updated: 2024-12-06 11:52:24

pancreas

pancreas: A gland in the abdomen that produces digestive enzymes and hormones.

Created: 2024-12-06 11:52:21

Last Updated: 2024-12-06 11:52:21

pandemic

pandemic: A disease outbreak affecting large populations or a whole region, country, or continent.

Created: 2024-12-06 11:52:18

Last Updated: 2024-12-06 11:52:18

pannus

pannus: An abnormal layer of tissue that forms over joints or the cornea of the eye.

Created: 2024-12-06 11:52:14

Last Updated: 2024-12-06 11:52:14

papillary muscles

papillary muscles: Threads of muscle that pull the heart valves between the upper and lower chambers of the heart closed during heart contractions.

Created: 2024-12-06 11:52:11

Last Updated: 2024-12-06 11:52:11

paraplegia

paraplegia: Paralysis of the legs and lower part of the body.

Created: 2024-12-06 11:52:03

Last Updated: 2024-12-06 11:52:03

parasomnias

parasomnias: Sleep disorders, such as night terrors or sleep walking, that periodically interfere with sleep.

Created: 2024-12-06 11:52:00

Last Updated: 2024-12-06 11:52:00

parasympathetic nervous system

parasympathetic nervous system: Part of the nervous system that calms body systems excited by the stress hormones.

Created: 2024-12-06 11:51:56

Last Updated: 2024-12-06 11:51:56

parathyroid hormone

parathyroid hormone: A hormone that controls levels of calcium and phosphorous in the blood and influences bone loss and growth.

Created: 2024-12-06 11:51:49

Last Updated: 2024-12-06 11:51:49

parietal lobe

parietal lobe: Part of the brain. It plays a role in sensory processes, like pain and touch, and language.

Created: 2024-12-06 11:51:43

Last Updated: 2024-12-06 11:51:43

paroxysm

paroxysm: A sudden, violent attack or convulsion; or the worsening of symptoms or recurrence of disease.

Created: 2024-12-06 11:51:37

Last Updated: 2024-12-06 11:51:37

paroxysmal hemicrania

paroxysmal hemicrania: A rare form of headache. Sufferers experience a severe throbbing, drilling pain on one side of the face or behind the eye.

Created: 2024-12-06 11:51:33

Last Updated: 2024-12-06 11:51:33

passive immunity

passive immunity: Immunity that is conferred by another, such as a mother�s antibodies protecting her baby during gestation and shortly after birth.

Created: 2024-12-06 11:51:26

Last Updated: 2024-12-06 11:51:26

patch test

patch test: A test used to diagnose whether a rash was caused by a reaction to certain allergens, such as poison ivy or a cosmetic ingredient, or an irritant such as soap.

Created: 2024-12-06 11:51:19

Last Updated: 2024-12-06 11:51:19

patella

patella: The thick bone that protects the knee joint; also known as the kneecap.

Created: 2024-12-06 11:51:12

Last Updated: 2024-12-06 11:51:12

pathogen

pathogen: A tiny organism such as a virus, bacterium, or parasite that can invade the body and produce disease.

Created: 2024-12-06 11:51:09

Last Updated: 2024-12-06 11:51:09

pathology

pathology: The underlying abnormalities that contribute to or are characteristic of a disease.

Created: 2024-12-06 11:51:06

Last Updated: 2024-12-06 11:51:06

patient-controlled analgesia

patient-controlled analgesia: A method that allows a person to control, within limits, the amount and timing of pain medication he or she receives. It is usually done by pressing a button to release the medication from a computerized pump into an IV.

Created: 2024-12-06 11:51:02

Last Updated: 2024-12-06 11:51:02

pattern-recognition receptors

pattern-recognition receptors: Proteins that recognize classes of pathogens and stimulate the innate immune system to signal the adaptive immune system.

Created: 2024-12-06 11:50:56

Last Updated: 2024-12-06 11:50:56

peak flow meter

peak flow meter: A device to assess lung function, often used to diagnose and monitor asthma.

Created: 2024-12-06 11:50:49

Last Updated: 2024-12-06 11:50:49

pellagra

pellagra: A rare disease brought on by severe niacin deficiency that causes diarrhea, dermatitis, and dementia.

Created: 2024-12-06 11:50:43

Last Updated: 2024-12-06 11:50:43

pelvic floor

pelvic floor: The sling of muscles that support the intestines and bladder, as well as the uterus in women. Weak or damaged pelvic floor muscles can cause incontinence or diminished sexual pleasure, among other problems.

Created: 2024-12-06 11:50:39

Last Updated: 2024-12-06 11:50:39

penile prosthesis

penile prosthesis: An inflatable or bendable device that is implanted in the penis to allow a man with erectile dysfunction to have erections when he wishes.

Created: 2024-12-06 11:50:32

Last Updated: 2024-12-06 11:50:32

pepsin

pepsin: Enzymes secreted by the stomach to break down protein.

Created: 2024-12-06 11:50:26

Last Updated: 2024-12-06 11:50:26

peptic ulcer

peptic ulcer: A raw, crater-like sore in the lining of the stomach or duodenum that causes burning stomach pain.

Created: 2024-12-06 11:50:19

Last Updated: 2024-12-06 11:50:19

percutaneous transluminal coronary angioplasty

percutaneous transluminal coronary angioplasty: A procedure used to open blocked coronary arteries. A small, thin tube with a tiny balloon at its tip is inserted into a narrowed coronary artery. The balloon is then inflated to widen the narrowed area. A stent may be put in place to hold the artery open. Percutaneous transluminal coronary angioplasty is also known as balloon angioplasty.

Created: 2024-12-06 11:50:11

Last Updated: 2024-12-06 11:50:11

perforation

perforation: A hole, such as an ulcer, in an organ or tissue.

Created: 2024-12-06 11:50:02

Last Updated: 2024-12-06 11:50:02

performance anxiety

performance anxiety: Concern about sexual performance that is so severe that it leads to sexual dysfunction.

Created: 2024-12-06 11:49:59

Last Updated: 2024-12-06 11:49:59

perfusion defect

perfusion defect: A test result that indicates abnormal blood flow or areas of damaged or dead heart muscle.

Created: 2024-12-06 11:49:53

Last Updated: 2024-12-06 11:49:53

pericarditis

pericarditis: Inflammation of the pericardium, the heart's sac-like covering.

Created: 2024-12-06 11:49:42

Last Updated: 2024-12-06 11:49:42

pericardium

pericardium: The fibrous sac that surrounds the heart and the roots of the major blood vessels.

Created: 2024-12-06 11:49:39

Last Updated: 2024-12-06 11:49:39

perimenopause

perimenopause: The transition time in a womans life that begins when ovaries produce less estrogen and menstruation becomes less frequent, and ends when the ovaries no longer produce eggs and menstruation stops.

Created: 2024-12-06 11:49:36

Last Updated: 2024-12-06 11:49:36

perineum

perineum: The area of skin between the vagina and anus in women, and between the scrotum and anus in men.

Created: 2024-12-06 11:49:31

Last Updated: 2024-12-06 11:49:31

periodic limb movement disorder

periodic limb movement disorder: A sleep disorder in which the legs jerk or cramp repeatedly during the sleep.

Created: 2024-12-06 11:49:27

Last Updated: 2024-12-06 11:49:27

periodization

periodization: An exercise strategy that varies reps, sets, and resistance to alternate heavier and lighter workouts over a period of time.

Created: 2024-12-06 11:49:20

Last Updated: 2024-12-06 11:49:20

periodontal disease

periodontal disease: Diseases, including gingivitis and periodontitis, that attack the gum tissue and the structures supporting the teeth. Also called gum disease.

Created: 2024-12-06 11:49:16

Last Updated: 2024-12-06 11:49:16

periodontitis

periodontitis: An advanced stage of gum disease that attacks the teeth�s supporting structures.

Created: 2024-12-06 11:49:10

Last Updated: 2024-12-06 11:49:10

peripheral vision

peripheral vision: Side vision, or what the eye perceives outside the direct line of vision.

Created: 2024-12-06 11:49:03

Last Updated: 2024-12-06 11:49:03

peristalsis

peristalsis: Wavelike movement of intestinal muscles that propels food through the digestive tract.

Created: 2024-12-06 11:48:56

Last Updated: 2024-12-06 11:48:56

peritoneal dialysis

peritoneal dialysis: Treatment for kidney failure that uses a machine to remove toxins from the bloodstream.

Created: 2024-12-06 11:48:51

Last Updated: 2024-12-06 11:48:51

peritonitis

peritonitis: Inflammation of the membrane that line the abdominal cavity and surrounds most abdominal organs.

Created: 2024-12-06 11:48:45

Last Updated: 2024-12-06 11:48:45

pernicious anemia

pernicious anemia: A form of anemia in which red blood cells enlarge and decrease in size due to an inability to properly absorb vitamin B12.

Created: 2024-12-06 11:48:42

Last Updated: 2024-12-06 11:48:42

personal emergency response system

personal emergency response system: A device worn around the neck or wrist that allows a person to call for help by pressing a button.

Created: 2024-12-06 11:48:35

Last Updated: 2024-12-06 11:48:35

pessary

pessary: A device placed in the vagina to support or correct the position of the uterus, rectum, or bladder.

Created: 2024-12-06 11:48:29

Last Updated: 2024-12-06 11:48:29

pessimism

pessimism: A characteristic frame of mind that leads a person to expect negative outcomes and to view the world as a negative or fearful place.

Created: 2024-12-06 11:48:26

Last Updated: 2024-12-06 11:48:26

petechiae

petechiae: Pinpoint-sized red or purple spots that appear in clusters on the skin, caused by bleeding under the skin.

Created: 2024-12-06 11:48:22

Last Updated: 2024-12-06 11:48:22

phacoemulsification

phacoemulsification: A method of cataract removal. It uses ultrasound waves to break up the clouded lens of the eye so it can be suctioned out with a needle.

Created: 2024-12-06 11:48:19

Last Updated: 2024-12-06 11:48:19

phagocytes

phagocytes: Cells that can ingest other cells, bacteria, and foreign particles.

Created: 2024-12-06 11:47:38

Last Updated: 2024-12-06 11:47:38

phase shift disorder

phase shift disorder: Sleep problem that results when a person's internal clock becomes out of sync with external time. This can be a problem for people who work the night shift.

Created: 2024-12-06 11:47:27

Last Updated: 2024-12-06 11:47:27

phase-2 enzyme

phase-2 enzyme: A helpful enzyme that seems to clear toxins and help prevent cancer-causing substances from binding to DNA.

Created: 2024-12-06 11:47:33

Last Updated: 2024-12-06 11:47:33

phenothiazines

phenothiazines: Powerful tranquilizing drugs used to treat schizophrenia and, sometimes, severe nausea.

Created: 2024-12-06 11:47:20

Last Updated: 2024-12-06 11:47:20

phenylpropanolamine

phenylpropanolamine: A decongestant drug used to treat nasal congestion and sometimes mild incontinence.

Created: 2024-12-06 11:47:17

Last Updated: 2024-12-06 11:47:17

pheochromocytoma

pheochromocytoma: A rare adrenal gland tumor that secretes hormones that narrow blood vessels and increase blood pressure.

Created: 2024-12-06 11:47:14

Last Updated: 2024-12-06 11:47:14

phlegm

phlegm: Thick, sticky mucus secreted by mucous membranes, such as the sinuses.

Created: 2024-12-06 11:47:10

Last Updated: 2024-12-06 11:47:10

phonophobia

phonophobia: Sensitivity to noise, often experienced during a migraine attack.

Created: 2024-12-06 11:47:07

Last Updated: 2024-12-06 11:47:07

phosphodiesterase type 5

phosphodiesterase type 5: An enzyme that breaks down substances that help the penis become erect and maintain an erection.

Created: 2024-12-06 11:47:03

Last Updated: 2024-12-06 11:47:03

photocoagulation

photocoagulation: Use of a laser to seal off blood vessels.

Created: 2024-12-06 11:46:56

Last Updated: 2024-12-06 11:46:56

photodynamic therapy

photodynamic therapy: A medical treatment that uses a light source to activate a photosensitizing drug (one that becomes activated by light exposure). Often used in oncology, dermatology, and cosmetic surgery.

Created: 2024-12-06 11:46:52

Last Updated: 2024-12-06 11:46:52

photophobia

photophobia: Sensitivity to light, often experienced during a migraine attack.

Created: 2024-12-06 11:46:44

Last Updated: 2024-12-06 11:46:44

photopsia

photopsia: A sensation of sparks or flashes of light across the visual field.

Created: 2024-12-06 11:46:41

Last Updated: 2024-12-06 11:46:41

photorefractive keratectomy

photorefractive keratectomy: Laser surgery used to reshape the cornea in order to correct vision problems.

Created: 2024-12-06 11:46:37

Last Updated: 2024-12-06 11:46:37

photorejuvenation

photorejuvenation: A cosmetic procedure that uses intense pulsed light to remove wrinkles and improve skin tone and texture.

Created: 2024-12-06 11:46:30

Last Updated: 2024-12-06 11:46:30

physiatrist

physiatrist: A physician who specializes in physical medicine, pain, and rehabilitation. These doctors diagnose and treat sports injuries and degenerative conditions like arthritis or low back pain, and oversee rehab for patients with severe impairments resulting from trauma, stroke, and other conditions.

Created: 2024-12-06 11:46:27

Last Updated: 2024-12-06 11:46:27

physical fitness

physical fitness: A state of being physically sound and healthy; having the ability to perform physical activity well.

Created: 2024-12-06 11:46:22

Last Updated: 2024-12-06 11:46:22

phytochemicals

phytochemicals: Substances made by plants that have biological effects in the human body. Examples include isoflavones, lycopene, lutein, and zeaxanthin.

Created: 2024-12-06 11:46:14

Last Updated: 2024-12-06 11:46:14

phytoestrogen

phytoestrogen: A plant component that mimics the effects of estrogen hormones in the body.

Created: 2024-12-06 11:46:12

Last Updated: 2024-12-06 11:46:12

pineal gland

pineal gland: A gland located in the middle of the brain, between the brains two hemispheres, that produces melatonin in response to declining light.

Created: 2024-12-06 11:46:08

Last Updated: 2024-12-06 11:46:08

pituitary gland

pituitary gland: The so-called master gland, located at the base of the brain. It controls and regulates the thyroid and other glands throughout the endocrine system.

Created: 2024-12-06 11:45:57

Last Updated: 2024-12-06 11:45:57

placebo effect

placebo effect: A change or improvement in symptoms that is due to a dummy medication or treatment (placebo) rather than a real drug or treatment.

Created: 2024-12-06 11:45:52

Last Updated: 2024-12-06 11:45:52

plantar wart

plantar wart: A wart on the sole of the foot, caused by a virus.

Created: 2024-12-06 11:45:38

Last Updated: 2024-12-06 11:45:38

plaque

plaque: 1) A layer of bacteria that forms on the surface of a tooth and can cause dental disease. 2) A fatty deposit in or on the walls of an artery, as part of atherosclerosis.

Created: 2024-12-06 11:45:32

Last Updated: 2024-12-06 11:45:32

plasma cells

plasma cells: White blood cells that produce large quantities of antibodies as part of an immune system response.

Created: 2024-12-06 11:45:28

Last Updated: 2024-12-06 11:45:28

plasmin

plasmin: An enzyme that breaks down the protein involved in clotting blood (fibrin), dissolving the clot.

Created: 2024-12-06 11:45:18

Last Updated: 2024-12-06 11:45:18

platelet

platelet: A colorless, disk-shaped cell in the blood that is necessary for clotting.

Created: 2024-12-06 11:45:15

Last Updated: 2024-12-06 11:45:15

podiatrist

podiatrist: A physician who specializes in the medical, surgical, and orthopedic management of foot and ankle disorders.

Created: 2024-12-06 11:45:12

Last Updated: 2024-12-06 11:45:12

poliosis

poliosis: A localized patch of gray or white hair on the scalp, eyebrows, or eyelashes.

Created: 2024-12-06 11:45:09

Last Updated: 2024-12-06 11:45:09

polycystic ovary syndrome

polycystic ovary syndrome: An inherited disorder characterized by the formation of abnormal cysts in enlarged ovaries; a leading cause of female infertility and a common cause of hirsutism.

Created: 2024-12-06 11:45:05

Last Updated: 2024-12-06 11:45:05

polydipsia

polydipsia: Excessive thirst.

Created: 2024-12-06 11:44:59

Last Updated: 2024-12-06 11:44:59

polymyositis

polymyositis: A rare disease in which the muscles become inflamed and weak.

Created: 2024-12-06 11:44:55

Last Updated: 2024-12-06 11:44:55

polyp

polyp: An abnormal, noncancerous growth that protrudes from mucous membranes, like those found in the sinuses and colon lining.

Created: 2024-12-06 11:44:52

Last Updated: 2024-12-06 11:44:52

polysomnography

polysomnography: A sleep study that examines brain waves and other measures of physiological functioning.

Created: 2024-12-06 11:44:49

Last Updated: 2024-12-06 11:44:49

polyunsaturated fat

polyunsaturated fat: A type of fat that is abundant in soybean, corn, cottonseed, safflower, and sunflower oils, as well as in fatty fish. One type, omega-3 fats, are especially important for cardiovascular health.

Created: 2024-12-06 11:44:26

Last Updated: 2024-12-06 11:44:26

polyuria

polyuria: Excessive urination.

Created: 2024-12-06 11:44:19

Last Updated: 2024-12-06 11:44:19

positive psychology

positive psychology: A branch of psychology that studies mental health rather than illness, focusing on how life can be more happy and fulfilling.

Created: 2024-12-06 11:44:11

Last Updated: 2024-12-06 11:44:11

positron emission tomography

positron emission tomography: A medical imaging test that uses a radioactive substance to assess organ and tissue function in the body and to look for disease. Commonly called a PET scan.

Created: 2024-12-06 11:44:04

Last Updated: 2024-12-06 11:44:04

post-traumatic stress disorder

post-traumatic stress disorder: A prolonged reaction to a traumatic event. Post-traumatic stress disorder can cause crippling anxiety and leading to other problems, such as sleep disturbances, depression, and substance abuse. Often referred to as PTSD.

Created: 2024-12-06 11:43:57

Last Updated: 2024-12-06 11:43:57

post-void residual

post-void residual: The amount of urine left in the bladder after urinating.

Created: 2024-12-06 11:43:49

Last Updated: 2024-12-06 11:43:49

posterior myocardial infarction

posterior myocardial infarction: Heart attack involving the rear wall of the heart muscle.

Created: 2024-12-06 11:43:43

Last Updated: 2024-12-06 11:43:43

postherpetic neuralgia

postherpetic neuralgia: Nerve pain caused by the herpes zoster virus, also known as shingles.

Created: 2024-12-06 11:43:36

Last Updated: 2024-12-06 11:43:36

postmenopausal osteoporosis

postmenopausal osteoporosis: Bone loss caused by lower estrogen levels associated with menopause. Sometimes called type I osteoporosis.

Created: 2024-12-06 11:43:27

Last Updated: 2024-12-06 11:43:27

postmenopause

postmenopause: The period in a woman's life lasting from the end of perimenopause until the end of life.

Created: 2024-12-06 11:43:21

Last Updated: 2024-12-06 11:43:21

postpartum

postpartum: Pertaining to the period after giving birth.

Created: 2024-12-06 11:43:17

Last Updated: 2024-12-06 11:43:17

power training

power training: An emerging field of physical medicine aimed at boosting the ability to exert strength quickly, especially in relation to practical, day-to-day tasks.

Created: 2024-12-06 11:43:14

Last Updated: 2024-12-06 11:43:14

prazosin

prazosin: A member of a class of drugs called alpha blockers. Prazosin eases the symptoms of benign prostatic hyperplasia by relaxing smooth muscle tissue in the capsule that surrounds the prostate.

Created: 2024-12-06 11:43:03

Last Updated: 2024-12-06 11:43:03

precursor

precursor: A substance that the body can convert into the active form of a vitamin. One example is beta carotene, which the body can convert into vitamin A as needed.

Created: 2024-12-06 11:42:49

Last Updated: 2024-12-06 11:42:49

prediabetes

prediabetes: A fasting blood sugar level above a healthy level, but still below the level used to diagnose diabetes. An individual with prediabetes is at increased risk for developing diabetes.

Created: 2024-12-06 11:42:46

Last Updated: 2024-12-06 11:42:46

preeclampsia

preeclampsia: High blood pressure during pregnancy accompanied by such signs as protein in the urine and swelling of the hands and feet; can progress to eclampsia, characterized by seizures.

Created: 2024-12-06 11:42:43

Last Updated: 2024-12-06 11:42:43

prehypertension

prehypertension: Blood pressure that is above normal but not high enough to qualify as hypertension. An individual with prehypertension is at increased risk for developing hypertension.

Created: 2024-12-06 11:42:39

Last Updated: 2024-12-06 11:42:39

preload reduction

preload reduction: A method of reducing cardiac workload by decreasing the pressure of blood entering the heart.

Created: 2024-12-06 11:42:35

Last Updated: 2024-12-06 11:42:35

premature ventricular contraction

premature ventricular contraction: An early beat in a ventricle that feels like the heart skipped a beat.

Created: 2024-12-06 11:42:28

Last Updated: 2024-12-06 11:42:28

presbycusis

presbycusis: Age-related hearing loss caused by the death of hair cells in the inner ear.

Created: 2024-12-06 11:42:22

Last Updated: 2024-12-06 11:42:22

presbyopia

presbyopia: Age-related difficulty focusing the eyes at close range, as the flexible lens of the eye becomes less elastic.

Created: 2024-12-06 11:42:18

Last Updated: 2024-12-06 11:42:18

priapism

priapism: An erection that lasts longer than three hours. Emergency medical treatment is required to prevent permanent damage to the penis.

Created: 2024-12-06 11:42:15

Last Updated: 2024-12-06 11:42:15

prick test

prick test: A commonly used skin test to confirm hypersensitivity to a broad range of allergens.

Created: 2024-12-06 11:42:11

Last Updated: 2024-12-06 11:42:11

primary osteoporosis

primary osteoporosis: Bone loss that results from a normal physiological process, such as menopause or aging.

Created: 2024-12-06 11:42:05

Last Updated: 2024-12-06 11:42:05

prion

prion: The smallest known infectious agent; unlike a virus or bacterium it is made entirely of protein and contains no nucleic acid or chromosomes.

Created: 2024-12-06 11:41:59

Last Updated: 2024-12-06 11:41:59

probate

probate: A public, legal process supervised by the courts after a person dies that helps ensure debts are paid and assets are properly owned and correctly distributed.

Created: 2024-12-06 11:41:56

Last Updated: 2024-12-06 11:41:56

probiotic

probiotic: Live microorganisms used to benefit health, such as the L. acidophilus bacteria found in yogurt.

Created: 2024-12-06 11:41:53

Last Updated: 2024-12-06 11:41:53

procedural memory

procedural memory: The long-term memory of skills and procedures, or how-to knowledge. Also called implicit memory.

Created: 2024-12-06 11:41:48

Last Updated: 2024-12-06 11:41:48

processes

processes: Bony projections that extend in several directions from each vertebra bone in the spine.

Created: 2024-12-06 11:41:42

Last Updated: 2024-12-06 11:41:42

prodrome

prodrome: A group of early symptoms preceding a given disease or condition. For example, a migraine prodrome (fatigue, hunger, nervousness) may occur hours or days before the headache strikes.

Created: 2024-12-06 11:41:39

Last Updated: 2024-12-06 11:41:39

progesterone

progesterone: A female steroid hormone produced by the ovaries that prepares the uterine lining for pregnancy.

Created: 2024-12-06 11:41:36

Last Updated: 2024-12-06 11:41:36

progestin

progestin: A synthetic compound that produces effects similar to those of the hormone progesterone.

Created: 2024-12-06 11:41:33

Last Updated: 2024-12-06 11:41:33

progestogen

progestogen: Any hormone having the same effect as progesterone in the body; refers to both natural progesterone and synthetic progestin.

Created: 2024-12-06 11:41:30

Last Updated: 2024-12-06 11:41:30

prognosis

prognosis: A prediction on how a person's disease will progress in the future.

Created: 2024-12-06 11:41:27

Last Updated: 2024-12-06 11:41:27

progressive muscle relaxation

progressive muscle relaxation: A mind/body technique for inducing the relaxation response that involves isolating, tensing, and relaxing specific sets of muscles in sequence.

Created: 2024-12-06 11:41:24

Last Updated: 2024-12-06 11:41:24

prolapse

prolapse: A condition in which an organ or other body part drops from its normal position.

Created: 2024-12-06 11:41:17

Last Updated: 2024-12-06 11:41:17

prolapsed disk

prolapsed disk: When part of a spinal disk bulges out of a tear or weak spot in the disks tough outer shell. Also known as herniated disk.

Created: 2024-12-06 11:41:13

Last Updated: 2024-12-06 11:41:13

proliferative retinopathy

proliferative retinopathy: An advanced stage of diabetic eye disease characterized by the development of new blood vessels that grow into the vitreous cavity; they are fragile and may bleed and cause loss of vision.

Created: 2024-12-06 11:41:04

Last Updated: 2024-12-06 11:41:04

prophylaxis

prophylaxis: Steps taken to prevent a particular disease or condition, such as taking nitroglycerin to prevent angina.

Created: 2024-12-06 11:40:58

Last Updated: 2024-12-06 11:40:58

proprioception

proprioception: The ability to sense the position of ones body in space, in relation to other objects.

Created: 2024-12-06 11:40:54

Last Updated: 2024-12-06 11:40:54

proptosis

proptosis: Forward bulging or displacement of an organ, especially of an eye. See exophthalmos.

Created: 2024-12-06 11:40:47

Last Updated: 2024-12-06 11:40:47

prospective study

prospective study: A type of research method that collects data on a group of people at the start of the study and then follows them into the future, gathering data over time.

Created: 2024-12-06 11:40:43

Last Updated: 2024-12-06 11:40:43

prostaglandins

prostaglandins: A group of chemicals that have hormone-like actions; prostaglandins help regulate blood pressure and contraction of smooth-muscle cells (for example, those in the lining of the blood vessels).

Created: 2024-12-06 11:40:36

Last Updated: 2024-12-06 11:40:36

prostate gland

prostate gland: A walnut-shaped gland at the base of the male bladder. It produces a fluid that forms part of semen.

Created: 2024-12-06 11:40:23

Last Updated: 2024-12-06 11:40:23

prostate-specific antigen

prostate-specific antigen: A protein produced by the prostate. Elevated levels may indicate the presence of cancer, benign prostatic hyperplasia, or prostatitis. Often referred to as PSA.

Created: 2024-12-06 11:40:31

Last Updated: 2024-12-06 11:40:31

prostatic urethral stent

prostatic urethral stent: A small, springlike cylinder, designed to relieve pressure from an enlarged prostate and improve urine flow by widening a narrowed urethra.

Created: 2024-12-06 11:40:17

Last Updated: 2024-12-06 11:40:17

prostatism

prostatism: A blockage at the base of the bladder that reduces or prevents the flow of urine into the urethra, the tube that carries urine out of the body (also known as bladder outlet obstruction). Typical symptoms include feeling the need to urinate right away yet having to strain to do so, having a weak urinary stream, dribbling after urinating, feeling as though the bladder has not been emptied completely, needing to urinate frequently, or experiencing urinary incontinence.

Created: 2024-12-06 11:40:10

Last Updated: 2024-12-06 11:40:10

prostatitis

prostatitis: An inflammation of the prostate gland, sometimes caused by a bacterial infection, which may result in painful or difficult urination.

Created: 2024-12-06 11:40:07

Last Updated: 2024-12-06 11:40:07

prosthesis

prosthesis: An artificial device such as a hearing aid, artificial joint, or dentures that substitutes for a missing body part.

Created: 2024-12-06 11:40:04

Last Updated: 2024-12-06 11:40:04

protease inhibitor

protease inhibitor: A class of drugs that help fight retrovirus infections; commonly prescribed to treat human immunodeficiency virus (HIV).

Created: 2024-12-06 11:40:00

Last Updated: 2024-12-06 11:40:00

protein

protein: One of the three major nutrients (along with carbohydrates and fats). It is used by the body for building and repairing tissues. Protein is derived primarily from animal sources but can be obtained from nuts and seed, some grains, and other plant sources.

Created: 2024-12-06 11:39:54

Last Updated: 2024-12-06 11:39:54

protocol

protocol: A plan that lays out the procedures that will be followed in conducting a physical examination, a research study, or the treatment of a disease.

Created: 2024-12-06 11:39:51

Last Updated: 2024-12-06 11:39:51

pruritus

pruritus: Itching.

Created: 2024-12-06 11:39:48

Last Updated: 2024-12-06 11:39:48

pseudoephedrine

pseudoephedrine: A decongestant drug that may also relieve mild incontinence.

Created: 2024-12-06 11:39:46

Last Updated: 2024-12-06 11:39:46

pseudogout

pseudogout: Arthritis caused by crystals of calcium pyrophosphate dihydrate in the joints. Also known as calcium pyrophosphate dihydrate disease.

Created: 2024-12-06 11:39:43

Last Updated: 2024-12-06 11:39:43

psoriasis

psoriasis: A common skin disease characterized by thickened patches of inflamed red skin; sometimes accompanied by painful joint swelling and stiffness.

Created: 2024-12-06 11:39:40

Last Updated: 2024-12-06 11:39:40

psychodynamic therapy

psychodynamic therapy: A form of therapy that focuses on how life events, desires, and close relationships lead to conflict, symptoms such as anxiety or depression, and difficulty in managing lifes tasks.

Created: 2024-12-06 11:39:35

Last Updated: 2024-12-06 11:39:35

psychogenic erectile dysfunction

psychogenic erectile dysfunction: Difficulty in getting or maintaining erections because of a psychological cause, such as stress or depression.

Created: 2024-12-06 11:39:26

Last Updated: 2024-12-06 11:39:26

psychosomatic

psychosomatic: Symptoms and illnesses that involve both the mind and the body, in which psychological stress may result in physical illness.

Created: 2024-12-06 11:39:15

Last Updated: 2024-12-06 11:39:15

ptosis

ptosis: A drooping of the eyelid attributed to weakened muscles.

Created: 2024-12-06 11:39:11

Last Updated: 2024-12-06 11:39:11

puborectalis muscle

puborectalis muscle: A pelvic floor muscle that forms a sling around the rectum and helps maintain fecal continence.

Created: 2024-12-06 11:39:07

Last Updated: 2024-12-06 11:39:07

pudendal nerve

pudendal nerve: The nerve that carries sensation from the genital area to the central nervous system.

Created: 2024-12-06 11:39:02

Last Updated: 2024-12-06 11:39:02

pulmonary veins

pulmonary veins: The veins that carry blood from the lungs to the left atrium.

Created: 2024-12-06 11:38:55

Last Updated: 2024-12-06 11:38:55

pulp

pulp: Tissue containing nerves and blood vessels that fills the chamber at the center of the tooth.

Created: 2024-12-06 11:38:43

Last Updated: 2024-12-06 11:38:43

pulse pressure

pulse pressure: The difference between systolic blood pressure and diastolic blood pressure (systolic pressure minus diastolic pressure = pulse pressure). Pulse pressure may help predict heart disease risk.

Created: 2024-12-06 11:38:39

Last Updated: 2024-12-06 11:38:39

pump failure

pump failure: When the heart muscle becomes so weak that it can no longer pump enough blood to the rest of the body.

Created: 2024-12-06 11:38:33

Last Updated: 2024-12-06 11:38:33

pupil

pupil: The dark, circular opening in the middle of the iris of the eye.

Created: 2024-12-06 11:38:27

Last Updated: 2024-12-06 11:38:27

purulent

purulent: Formed of or containing pus.

Created: 2024-12-06 11:38:24

Last Updated: 2024-12-06 11:38:24

pus

pus: A thick, yellow or green liquid that is composed of dead cells and bacteria, most often found at the site of a bacterial infection.

Created: 2024-12-06 11:38:20

Last Updated: 2024-12-06 11:38:20

pyloric sphincter

pyloric sphincter: A muscular valve at the lower end of the stomach that opens to the duodenum.

Created: 2024-12-06 11:38:16

Last Updated: 2024-12-06 11:38:16

pyridoxine

pyridoxine: A form of vitamin B6.

Created: 2024-12-06 11:38:10

Last Updated: 2024-12-06 11:38:10