RAST: Abbreviation for radioallergosorbent test, a blood test used for identifying allergens.
Created: 2024-12-06 14:55:37
Last Updated: 2024-12-06 14:55:37
RCT: Abbreviation for randomized controlled trial, a study in which researchers choose a study population at random; one group receives the intervention (such as a nutritional supplement) and another group receives a placebo.
Created: 2024-12-06 14:55:43
Last Updated: 2024-12-06 14:55:43
RDA: Abbreviation for recommended dietary allowance, the average daily amount of a nutrient that will meet the nutritional needs of almost all (97% 98%) healthy people at specific stages of their lives.
Created: 2024-12-06 14:55:54
Last Updated: 2024-12-06 14:55:54
REM: Abbreviation for rapid eye movement, which occurs during a period of sleep characterized by intense brain activity, often associated with dreams.
Created: 2024-12-06 14:56:18
Last Updated: 2024-12-06 14:56:18
REM rebound: An increase in REM sleep, often with nightmares, that occurs after deprivation of REM sleep or the withdrawal of REM-suppressing medications.
Created: 2024-12-06 14:56:09
Last Updated: 2024-12-06 14:56:09
RLS: Abbreviation for restless legs syndrome, an achy or unpleasant feelings in the legs associated with a need to move. Most prominent at night, making it hard to fall asleep or stay asleep.
Created: 2024-12-06 14:56:35
Last Updated: 2024-12-06 14:56:35
RNA Editing: The process by which RNA sequences are altered after transcription, often changing the protein-coding potential of the RNA.
Created: 2024-12-07 14:44:41
Last Updated: 2024-12-07 14:44:41
Rad: A non-SI unit for absorbed dose, equivalent to 0.01 gray (Gy).
Created: 2024-12-06 14:56:44
Last Updated: 2024-12-06 14:56:44
Radial Artery: Major artery in the forearm that supplies blood to the radial side of the hand and wrist.
Created: 2024-12-06 14:57:16
Last Updated: 2024-12-06 14:57:16
Radiation Therapist: A professional who administers radiation treatments to patients, especially in cancer therapy.
Created: 2024-12-07 17:19:17
Last Updated: 2024-12-07 17:19:17
Radiation Field Size: The cross-sectional area through which radiation passes, often measured in square centimeters (cm²) or square millimeters (mm²).
Created: 2024-12-06 14:57:40
Last Updated: 2024-12-06 14:57:40
Radiation Protection Technician: A worker responsible for measuring and controlling radiation exposure levels in medical facilities to protect patients, healthcare workers, and the public.
Created: 2024-12-07 14:44:56
Last Updated: 2024-12-07 14:44:56
Radiation-induced leukopenia: A decrease in white blood cell count caused by exposure to radiation, potentially leading to increased risk of infections.
Created: 2024-12-06 14:57:30
Last Updated: 2024-12-06 14:57:30
Radioactive Waste Containment: The safe storage and containment of radioactive materials to prevent leaks or spills and minimize environmental contamination.
Created: 2024-12-06 14:57:51
Last Updated: 2024-12-06 14:57:51
Radiofrequency ablation (RFA): A treatment that uses radio waves to destroy tumors or abnormal tissue, often used in conjunction with radiation.
Created: 2024-12-06 14:58:06
Last Updated: 2024-12-06 14:58:06
Radiograph: An image produced by X-rays that shows the internal structures of the body.
Created: 2024-12-06 14:58:12
Last Updated: 2024-12-06 14:58:12
Radiographic imaging: The process of capturing images of the internal structures of the body using various radiology techniques.
Created: 2024-12-06 14:58:24
Last Updated: 2024-12-06 14:58:24
Radiography of the Chest (Chest X-ray): A routine X-ray procedure used to examine the lungs, heart, and chest cavity, often used to detect pneumonia, tuberculosis, or heart disease.
Created: 2024-12-06 14:58:38
Last Updated: 2024-12-06 14:58:38
Radiologic Technologist: A healthcare worker skilled in performing diagnostic imaging procedures, such as X-rays, CT scans, and MRIs.
Created: 2024-12-07 17:36:49
Last Updated: 2024-12-07 17:36:49
Radiologic examination: A diagnostic test using radiological imaging, such as X-rays, CT scans, or MRIs.
Created: 2024-12-06 14:58:49
Last Updated: 2024-12-06 14:58:49
Radiologist: A doctor specializing in interpreting medical imaging, such as X-rays, MRIs, and CT scans, to diagnose and monitor various diseases and conditions.
Created: 2024-12-07 14:45:19
Last Updated: 2024-12-07 14:45:19
Radiology Department: A medical facility equipped for diagnostic imaging, such as X-rays, CT scans, and MRIs.
Created: 2024-12-07 17:37:00
Last Updated: 2024-12-07 17:37:00
Radiology report: A document written by a radiologist that provides an interpretation of imaging results and diagnostic findings.
Created: 2024-12-06 14:59:05
Last Updated: 2024-12-06 14:59:05
Radionuclide: A substance that contains radioactive nuclei, used in medicine, typically expressed in units of activity like Bq or Ci.
Created: 2024-12-06 14:59:30
Last Updated: 2024-12-06 14:59:30
Radionuclide Imaging: A technique that involves injecting a radioactive substance into the body to visualize organ function, most commonly used for cardiac or bone scans.
Created: 2024-12-06 14:59:22
Last Updated: 2024-12-06 14:59:22
Radiopharmaceutical Activity: The amount of radioactivity in a radiopharmaceutical, usually measured in Bq or Ci.
Created: 2024-12-06 14:59:42
Last Updated: 2024-12-06 14:59:42
Radiopharmacist: A specialist in the preparation and dispensing of radiopharmaceuticals used in diagnostic imaging and therapy, ensuring the correct dosage and safety of the radioactive compounds.
Created: 2024-12-07 14:45:32
Last Updated: 2024-12-07 14:45:32
Radioprotection: The science and practice of protecting people and the environment from harmful effects of radiation.
Created: 2024-12-06 14:59:47
Last Updated: 2024-12-06 14:59:47
Radioprotectors: Agents used to protect healthy tissues from the damaging effects of radiation therapy.
Created: 2024-12-06 14:59:53
Last Updated: 2024-12-06 14:59:53
Radiosensitive Organs: Organs and tissues in the body that are particularly vulnerable to damage from ionizing radiation, such as the thyroid, bone marrow, and skin.
Created: 2024-12-06 15:00:10
Last Updated: 2024-12-06 15:00:10
Radiosensitivity: The susceptibility of cells, tissues, or tumors to the effects of radiation.
Created: 2024-12-06 15:00:25
Last Updated: 2024-12-06 15:00:25
Radiosensitivity Testing: Laboratory tests to determine how sensitive a tumor is to radiation, used to personalize treatment plans.
Created: 2024-12-06 15:00:20
Last Updated: 2024-12-06 15:00:20
Radiosensitization: The process of making cancer cells more sensitive to radiation through the use of drugs or other treatments.
Created: 2024-12-06 15:00:30
Last Updated: 2024-12-06 15:00:30
Radiosensitizer: A drug that makes tumor cells more sensitive to radiation therapy.
Created: 2024-12-06 15:00:36
Last Updated: 2024-12-06 15:00:36
Radiosurgery: A non-invasive treatment option that delivers focused radiation to a specific area, often used for small tumors in the brain or spine.
Created: 2024-12-06 15:00:58
Last Updated: 2024-12-06 15:00:58
Radiosurgery Planning System (RPS): A system used to develop and optimize plans for delivering precise doses of radiation in radiosurgery treatments.
Created: 2024-12-06 15:00:52
Last Updated: 2024-12-06 15:00:52
Radiotherapy Department: A department specializing in the use of radiation therapy to treat cancer and other conditions.
Created: 2024-12-07 17:37:37
Last Updated: 2024-12-07 17:37:37
Radiotherapy Indications in Palliation: Use of radiotherapy to relieve symptoms like pain or bleeding caused by advanced cancer rather than to cure the disease.
Created: 2024-12-06 15:01:25
Last Updated: 2024-12-06 15:01:25
Radium (Ra): A highly radioactive element used in early cancer treatments and also found in certain types of mineral waters.
Created: 2024-12-04 09:20:50
Last Updated: 2024-12-04 09:20:50
Radius: One of the two bones of the forearm, located on the thumb side.
Created: 2024-12-06 15:01:34
Last Updated: 2024-12-06 15:01:34
Radon: A radioactive gas that occurs naturally in the environment and can pose a risk for lung cancer when inhaled in high concentrations.
Created: 2024-12-06 15:01:41
Last Updated: 2024-12-06 15:01:41
Raloxifene: A selective estrogen receptor modulator used to prevent and treat osteoporosis in postmenopausal women.
Created: 2024-12-06 15:01:47
Last Updated: 2024-12-06 15:01:47
Ramipril: An ACE inhibitor used to treat high blood pressure and heart failure.
Created: 2024-12-06 15:02:02
Last Updated: 2024-12-06 15:02:02
Ranitidine: A histamine-2 blocker used to reduce stomach acid and treat ulcers and GERD.
Created: 2024-12-06 15:02:08
Last Updated: 2024-12-06 15:02:08
Raynauds syndrome: A condition in which the blood vessels in the fingers and other extremities narrow in response to cold or stress, causing them to turn white or blue.
Created: 2024-12-06 15:02:33
Last Updated: 2024-12-06 15:02:33
Red Bone Marrow: A type of bone marrow involved in the production of red blood cells, white blood cells, and platelets.
Created: 2024-12-06 15:02:48
Last Updated: 2024-12-06 15:02:48
Registered Nurse (RN): A healthcare professional licensed to provide nursing care, administer medications, and assist in patient care planning.
Created: 2024-12-07 17:37:53
Last Updated: 2024-12-07 17:37:53
Regulated Exocytosis: A controlled process triggered by specific signals, such as an increase in calcium ions, to release stored molecules (e.g., hormones or neurotransmitters).
Created: 2024-12-07 17:01:49
Last Updated: 2024-12-07 17:01:49
Regulatory DNA sequence: A DNA sequence that controls the expression of a gene by binding regulatory proteins.
Created: 2024-12-06 15:03:18
Last Updated: 2024-12-06 15:03:18
Rehabilitation Specialist: A healthcare professional who works with patients recovering from injury, illness, or surgery, often in a rehabilitation center.
Created: 2024-12-07 17:38:06
Last Updated: 2024-12-07 17:38:06
Rem: A non-SI unit for equivalent dose, equivalent to 0.01 sievert (Sv).
Created: 2024-12-06 15:03:24
Last Updated: 2024-12-06 15:03:24
Remote Afterloading: A technique used in brachytherapy to insert and remove the radioactive source from the body using a remote-controlled device.
Created: 2024-12-06 15:03:38
Last Updated: 2024-12-06 15:03:38
Renal Veins: Veins that drain deoxygenated blood from the kidneys into the inferior vena cava.
Created: 2024-12-06 15:03:49
Last Updated: 2024-12-06 15:03:49
Reovirus: A family of double-stranded RNA viruses, including rotavirus, which causes severe diarrhea in infants and young children.
Created: 2024-12-07 14:46:05
Last Updated: 2024-12-07 14:46:05
Repressor: A protein that binds to an operator site on DNA and prevents the transcription of specific genes.
Created: 2024-12-06 15:04:02
Last Updated: 2024-12-06 15:04:02
Reproductive Endocrinologist: A specialist who deals with hormonal functioning related to reproduction and fertility, including conditions like polycystic ovary syndrome (PCOS).
Created: 2024-12-07 14:46:16
Last Updated: 2024-12-07 14:46:16
Reproductive Health Center: A clinic focused on fertility, contraception, and reproductive health issues.
Created: 2024-12-07 17:38:22
Last Updated: 2024-12-07 17:38:22
Respiratory Gating: A technique used in radiotherapy to synchronize radiation delivery with the patients breathing cycle, often used for tumors in the chest or abdomen.
Created: 2024-12-07 14:46:25
Last Updated: 2024-12-07 14:46:25
Respiratory Therapist (RT): A healthcare professional specializing in the treatment of respiratory conditions, including those requiring mechanical ventilation.
Created: 2024-12-07 17:38:34
Last Updated: 2024-12-07 17:38:34
Restriction Enzyme: An enzyme that cuts DNA at specific sequences, often used in molecular biology for cloning and analysis.
Created: 2024-12-06 15:04:36
Last Updated: 2024-12-06 15:04:36
Retrovirus: A type of RNA virus that replicates in a host cell through reverse transcription, often associated with cancer and immune system diseases (e.g., HIV).
Created: 2024-12-07 14:46:32
Last Updated: 2024-12-07 14:46:32
Reverse Transcription: The process by which RNA is reverse transcribed into complementary DNA (cDNA) by the enzyme reverse transcriptase.
Created: 2024-12-06 15:04:46
Last Updated: 2024-12-06 15:04:46
Revolution CT: A high-performance CT scanner known for its advanced imaging technology, providing fast and accurate results for a range of diagnostic applications.
Created: 2024-12-06 15:04:57
Last Updated: 2024-12-06 15:04:57
Rhabdovirus: A family of RNA viruses that includes rabies virus, causing encephalitis and often fatal if not treated promptly after exposure.
Created: 2024-12-07 14:46:39
Last Updated: 2024-12-07 14:46:39
Rheumatoid Nodule: Firm lumps under the skin near joints in people with rheumatoid arthritis.
Created: 2024-12-06 15:05:08
Last Updated: 2024-12-06 15:05:08
Rheumatologist: A specialist in the diagnosis and treatment of musculoskeletal diseases and systemic autoimmune conditions like rheumatoid arthritis and lupus.
Created: 2024-12-07 14:46:45
Last Updated: 2024-12-07 14:46:45
Ribs: The curved bones that form the rib cage, protecting the heart and lungs.
Created: 2024-12-06 15:05:14
Last Updated: 2024-12-06 15:05:14
Rickets: A similar condition to osteomalacia, occurring in children and leading to bone deformities.
Created: 2024-12-06 15:05:20
Last Updated: 2024-12-06 15:05:20
Rifampin: An antibiotic used to treat tuberculosis and other bacterial infections.
Created: 2024-12-06 15:05:26
Last Updated: 2024-12-06 15:05:26
Right Coronary Artery: Artery that supplies blood to the right side of the heart, including the right atrium and ventricle.
Created: 2024-12-06 15:05:39
Last Updated: 2024-12-06 15:05:39
Rinne test: A simple hearing test that uses a tuning fork to determine what type of hearing loss a person has.
Created: 2024-12-06 15:05:51
Last Updated: 2024-12-06 15:05:51
Rivaroxaban: An oral anticoagulant used to prevent and treat blood clots, including in conditions like deep vein thrombosis and pulmonary embolism.
Created: 2024-12-06 15:05:56
Last Updated: 2024-12-06 15:05:56
Robotic Spinal Instruments: Precision tools used in robotic spinal surgery for procedures like spinal fusion, disc replacement, and decompression.
Created: 2024-12-07 14:47:00
Last Updated: 2024-12-07 14:47:00
Roentgen (R): A unit for exposure to ionizing radiation, used to measure the amount of radiation in air.
Created: 2024-12-06 15:06:13
Last Updated: 2024-12-06 15:06:13
Roentgenium (Rg): A synthetic element, named after Wilhelm Röntgen, with no significant practical use.
Created: 2024-12-06 15:06:33
Last Updated: 2024-12-06 15:06:33
Rongeur: A clamping and cutting tool used for removing small pieces of bone or tissue, especially in orthopedic or neurosurgery.
Created: 2024-12-07 14:47:06
Last Updated: 2024-12-07 14:47:06
Ropinirole: A medication used to treat Parkinson’s disease and restless leg syndrome.
Created: 2024-12-06 15:06:38
Last Updated: 2024-12-06 15:06:38
Rotator Cuff Tear: A tear in one of the tendons of the rotator cuff, causing shoulder pain and weakness.
Created: 2024-12-06 15:06:51
Last Updated: 2024-12-06 15:06:51
Rubidium (Rb): Rubidium-87 is a radioactive isotope used in geochronology and to trace the age of rocks.
Created: 2024-12-06 15:07:01
Last Updated: 2024-12-06 15:07:01
Rutherford (Rd): A non-SI unit of radioactivity, equal to 10^6 disintegrations per second.
Created: 2024-12-06 15:07:12
Last Updated: 2024-12-06 15:07:12
Rutherfordium (Rf): A synthetic element used primarily for nuclear research in high-energy physics.
Created: 2024-12-06 15:08:05
Last Updated: 2024-12-06 15:08:05
rRNA (Ribosomal RNA): A type of RNA that makes up the major part of ribosomes and helps catalyze the assembly of amino acids into protein chains.
Created: 2024-12-06 11:37:37
Last Updated: 2024-12-06 11:37:37
radial tunnel syndrome: A condition in which the radial nerve is compressed at the elbow, causing pain, numbness, tingling, and muscle weakness in the hand and arm.
Created: 2024-12-06 11:37:30
Last Updated: 2024-12-06 11:37:30
radiation therapy: Treatment with high-energy rays (from x-rays or other sources) designed to control disease and destroy cancer cells.
Created: 2024-12-06 11:37:22
Last Updated: 2024-12-06 11:37:22
radical prostatectomy: Surgery to remove the entire prostate.
Created: 2024-12-06 11:37:11
Last Updated: 2024-12-06 11:37:11
radiculopathy: Pain caused by irritation of a nerve as it exits the spinal cord.
Created: 2024-12-06 11:37:05
Last Updated: 2024-12-06 11:37:05
radioactive iodine: A radioactive form of iodine that can be used as a tracer during a radioactive iodine uptake test or a radioactive thyroid scan. Much larger amounts are used in the treatment of hyperthyroidism.
Created: 2024-12-06 11:37:01
Last Updated: 2024-12-06 11:37:01
radioallergosorbent test: A blood test used for identifying allergens.
Created: 2024-12-06 11:36:55
Last Updated: 2024-12-06 11:36:55
radiofrequency: A non-surgical technique using an electromagnetic current to penetrate deep into the bodys tissues, which can be used to treat pain, cancer, and heart rhythm disorders, among other conditions.
Created: 2024-12-06 11:36:46
Last Updated: 2024-12-06 11:36:46
radiograph: Another name for an x-ray.
Created: 2024-12-06 11:36:40
Last Updated: 2024-12-06 11:36:40
Radiology is a medical field that uses imaging techniques, such as X-rays, CT scans, MRI, and ultrasound, to diagnose and treat diseases and injuries within the body.
Created: 2025-01-28 21:44:40
Last Updated: 2025-01-28 21:44:29
radionuclide imaging or scan: Another name for nuclear tests: tests that use tiny amounts of short-lived radioactive substances that can target particular organs or cell receptors to diagnose disease.
Created: 2024-12-06 11:36:26
Last Updated: 2024-12-06 11:36:26
radionuclides: Short-lived radioactive chemicals that are used in nuclear imaging tests.
Created: 2024-12-06 11:36:18
Last Updated: 2024-12-06 11:36:18
rales: Abnormal lung sounds that might be a sign of fluid buildup congestion in the lungs.
Created: 2024-12-06 11:36:14
Last Updated: 2024-12-06 11:36:14
randomized controlled trial: A study in which researchers choose a study population at random; one group receives the intervention (such as a nutritional supplement) and another group receives a placebo. Often referred to as an RCT.
Created: 2024-12-06 11:36:10
Last Updated: 2024-12-06 11:36:10
range of motion: The extent of movement and thus flexibility in a joint, measured in the degrees of a circle.
Created: 2024-12-06 11:30:59
Last Updated: 2024-12-06 11:30:59
rapid eye movement sleep: A period of intense brain activity during sleep, often associated with dreams; named for the rapid eye movements that occur during this time. Also called dreaming sleep.
Created: 2024-12-06 11:30:44
Last Updated: 2024-12-06 11:30:44
reactive arthritis: Joint problems triggered by bacterial or viral infection elsewhere in the body.
Created: 2024-12-06 11:30:37
Last Updated: 2024-12-06 11:30:37
rebound insomnia: Insomnia caused by withdrawal from sleep medication; usually it is at least as serious as before the medication was used.
Created: 2024-12-06 11:30:30
Last Updated: 2024-12-06 11:30:30
receptors: Structures on the outside of a cell membrane that permit attachment of specific chemicals.
Created: 2024-12-06 11:30:23
Last Updated: 2024-12-06 11:30:23
recessive: A gene that will not be expressed in the offspring unless it is inherited from both the mother and father. A recessive gene from one parent that is paired with a dominant gene from the other parent will be overridden by the dominant gene.
Created: 2024-12-06 11:30:20
Last Updated: 2024-12-06 11:30:20
recombinant tissue plasminogen activator: A thrombolytic (clot-dissolving) drug made using recombinant DNA technology; used to dissolve blood clots causing an ischemic stroke, pulmonary embolism, or myocardial infarction.
Created: 2024-12-06 11:30:16
Last Updated: 2024-12-06 11:30:16
recommended dietary allowance: The average daily amount of a nutrient that will meet the nutritional needs of almost all (97% 98%) healthy people at specific stages of their lives.
Created: 2024-12-06 11:30:09
Last Updated: 2024-12-06 11:30:09
recovery: A process of overcoming addiction to alcohol, other psychoactive substance, or addictive behavior. Often this involves a commitment to abstinence, but sometimes it involves reduced use rather than complete abstinence.
Created: 2024-12-06 11:29:59
Last Updated: 2024-12-06 11:29:59
rectocele: A weakening of the vaginal wall that allows the rectum to bulge into the vagina.
Created: 2024-12-06 11:29:56
Last Updated: 2024-12-06 11:29:56
rectum: The last 12 centimeters of the colon, through which waste is eliminated from the body.
Created: 2024-12-06 11:29:52
Last Updated: 2024-12-06 11:29:52
refraction: The deflection of light as it passes through one medium to another of different density; also refers an eye test to evaluate the eyes ability to focus.
Created: 2024-12-06 11:29:48
Last Updated: 2024-12-06 11:29:48
regurgitation: Leakage of blood back into a heart chamber that occurs when a heart valve doesn't close properly
Created: 2024-12-06 11:29:43
Last Updated: 2024-12-06 11:29:43
rehabilitative driving specialist: A professional trained to evaluate driving skills and, when appropriate, suggest equipment and adaptations to make driving safer for people with certain physical or mental limitations.
Created: 2024-12-06 11:29:37
Last Updated: 2024-12-06 11:29:37
rejection: A reaction that occurs when a persons immune system recognizes a transplanted organ as a threatening substance and tries to rid the body of it.
Created: 2024-12-06 11:29:29
Last Updated: 2024-12-06 11:29:29
relapse: The return of symptoms and disease after a person seems to have recovered.
Created: 2024-12-06 11:29:21
Last Updated: 2024-12-06 11:29:21
relaxation response: The physical effects of meditation and certain other techniques that are opposite to those of the stress response. Effects include marked drops in oxygen consumption, carbon dioxide expiration, heartbeat, and respiration, as well as stabilization or lowering of blood pressure.
Created: 2024-12-06 11:29:17
Last Updated: 2024-12-06 11:29:17
remission: A lessening in the severity of a disease and its symptoms. In cancer, a reduction in the size of a tumor and its symptoms.
Created: 2024-12-06 11:29:11
Last Updated: 2024-12-06 11:29:11
remodeling: Altering a body part. Bone is constantly being remodeled in response to exercise or inactivity. Heart tissue is remodeled in response to a heart attack or high blood pressure.
Created: 2024-12-06 11:29:07
Last Updated: 2024-12-06 11:29:07
renal artery stenosis: Narrowing of an artery that supplies blood to the kidney.
Created: 2024-12-06 11:29:04
Last Updated: 2024-12-06 11:29:04
renin: An enzyme released by the kidney that stimulates production of angiotensin and aldosterone, two substances in the body that affect blood pressure.
Created: 2024-12-06 11:28:51
Last Updated: 2024-12-06 11:28:51
reperfusion therapy: Techniques used to restart circulation to part of the heart or brain that has been cut off from blood flow during a heart attack or stroke. Reperfusion may entail clot-dissolving drugs, balloon angioplasty, or surgery.
Created: 2024-12-06 11:28:47
Last Updated: 2024-12-06 11:28:47
repetitions: Number of times an exercise calls for a muscle to be worked and released (usually eight to 12). Often referred to as reps.
Created: 2024-12-06 11:28:34
Last Updated: 2024-12-06 11:28:34
resection: The surgical removal of a lesion or part or all of an organ or other body structure.
Created: 2024-12-06 11:28:31
Last Updated: 2024-12-06 11:28:31
resectoscope: An instrument that permits a surgeon to view the inside of a body cavity in order to remove a part of an organ or structure.
Created: 2024-12-06 11:28:28
Last Updated: 2024-12-06 11:28:28
reservoir: The habitat in which an infectious agent normally lives, grows, and multiplies. Reservoirs include human, animal, and environmental reservoirs.
Created: 2024-12-06 11:28:24
Last Updated: 2024-12-06 11:28:24
resilience: The ability to adapt to change and recover quickly from setbacks such as illness, injury, or misfortune.
Created: 2024-12-06 11:28:21
Last Updated: 2024-12-06 11:28:21
resistance: The ability of a pathogen to withstand drugs previously effective against them. Usually the result of genetic mutation.
Created: 2024-12-06 11:28:17
Last Updated: 2024-12-06 11:28:17
resistant hypertension: High blood pressure that does not respond to drug therapy and lifestyle changes.
Created: 2024-12-07 23:27:52
Last Updated: 2024-12-07 23:27:52
resorption: The removal of bone tissue, both mineral and protein, by osteoclasts.
Created: 2024-12-06 11:28:11
Last Updated: 2024-12-06 11:28:11
respiration: The process by which gases enter the body, including external respiration (breathing), and internal respiration, in which oxygen taken in by the lungs is carried by the blood to tissues and carbon dioxide is removed.
Created: 2024-12-06 11:28:07
Last Updated: 2024-12-06 11:28:07
restenosis: Renarrowing of a blood vessel that has been widened with angioplasty.
Created: 2024-12-06 11:28:04
Last Updated: 2024-12-06 11:28:04
resting energy expenditure: The rate at which the body burns calories while at rest. Resting energy expenditure accounts for 60% 75% of the daily calories burned.
Created: 2024-12-06 11:27:59
Last Updated: 2024-12-06 11:27:59
restless legs syndrome: Achy or unpleasant feelings in the legs associated with a need to move. Most prominent at night, making it hard to fall asleep or stay asleep.
Created: 2024-12-06 11:27:45
Last Updated: 2024-12-06 11:27:45
resuscitation: The process of reviving a person who is not breathing or whose heart is not beating using techniques such as artificial respiration and heart massage.
Created: 2024-12-06 11:27:36
Last Updated: 2024-12-06 11:27:36
retina: The innermost layer of the eye, which converts light energy to electrical energy and sends visual images to the brain via the optic nerve.
Created: 2024-12-06 11:27:33
Last Updated: 2024-12-06 11:27:33
retinal detachment: A condition in which the retina separates from the choroid (the back of the eye) and leads to a loss of vision.
Created: 2024-12-06 11:27:29
Last Updated: 2024-12-06 11:27:29
retinoid: A synthetic, vitamin A-like compound.
Created: 2024-12-06 11:27:22
Last Updated: 2024-12-06 11:27:22
retrieval: The act of recalling previously learned information, involving the reactivation of particular nerve-cell pathways in the brain related to that piece of information.
Created: 2024-12-06 11:27:19
Last Updated: 2024-12-06 11:27:19
retrograde ejaculation: An adverse effect of both prostate surgery and some medications that causes semen to flow back into the bladder rather than out through the penis.
Created: 2024-12-06 11:27:13
Last Updated: 2024-12-06 11:27:13
retrospective study: A research method that looks for possible causes for a current disease by examining a study population's past habits.
Created: 2024-12-06 11:27:06
Last Updated: 2024-12-06 11:27:06
revascularization: Restoration of blood flow to areas of heart muscle affected by coronary artery disease by means of coronary artery bypass surgery or angioplasty.
Created: 2024-12-06 11:26:59
Last Updated: 2024-12-06 11:26:59
reward pathway: An interrelated set of brain regions that are all involved in recognizing, experiencing, and remembering pleasurable or rewarding events.
Created: 2024-12-06 11:26:56
Last Updated: 2024-12-06 11:26:56
rheumatic disease: Any one of over 100 disorders that cause inflammation in connective tissues.
Created: 2024-12-06 11:26:49
Last Updated: 2024-12-06 11:26:49
rheumatism: Pain and stiffness of soft tissues in and around joints.
Created: 2024-12-06 11:26:42
Last Updated: 2024-12-06 11:26:42
rheumatoid factor: An antibody found in about 85% of people with rheumatoid arthritis; also appears in other diseases and sometimes in healthy people.
Created: 2024-12-06 11:26:38
Last Updated: 2024-12-06 11:26:38
rheumatologist: A medical doctor trained to diagnose and treat disorders involving inflammation of the joints and other parts of the musculoskeletal system.
Created: 2024-12-06 11:26:31
Last Updated: 2024-12-06 11:26:31
rheumatology: The branch of medicine devoted to the study and treatment of diseases marked by inflammation, degeneration, or metabolic problems of the connective tissues (particularly the joints and related structures).
Created: 2024-12-06 11:26:27
Last Updated: 2024-12-06 11:26:27
rhinoplasty: Reshaping the cartilage and bone of the nose to achieve the desired profile. Commonly known as a nose job.
Created: 2024-12-06 11:26:24
Last Updated: 2024-12-06 11:26:24
rhytidectomy: A surgical procedure that involves removing excess skin and tightening the underlying muscle to correct sagging around the jaws, jowls, and neck. Does not include work on the eyes or forehead. Commonly known as a face lift.
Created: 2024-12-06 11:26:20
Last Updated: 2024-12-06 11:26:20
right ventricle: The right lower chamber of the heart; it receives blood from the right atrium for distribution to the lungs.
Created: 2024-12-06 11:26:15
Last Updated: 2024-12-06 11:26:15
ringworm: An itchy condition of the scalp caused by a fungal infection. Also known as tinea capitis.
Created: 2024-12-06 11:26:08
Last Updated: 2024-12-06 11:26:08
risk factor: Any factor that can cause a person to be more likely to develop a disease. For example, smoking is a risk factor for lung cancer.
Created: 2024-12-06 11:26:04
Last Updated: 2024-12-06 11:26:04
risky drinking: Drinking that increases the chances of adverse consequences; drinking more than guidelines on moderate drinking suggest.
Created: 2024-12-06 11:25:57
Last Updated: 2024-12-06 11:25:57
rods: Light-sensitive cells in the retina that respond best in darkness and dim light.
Created: 2024-12-06 11:25:50
Last Updated: 2024-12-06 11:25:50
root canal therapy: A procedure in which diseased pulp tissue is removed from the pulp chamber and root canal and the area is sealed off.
Created: 2024-12-06 11:25:46
Last Updated: 2024-12-06 11:25:46
rosacea: A skin condition that enlarges blood vessels in the face, causing redness of the nose and other parts of the face.
Created: 2024-12-06 11:25:35
Last Updated: 2024-12-06 11:25:35
rotator cuff: A group of tendons and muscles used to raise the arm from the side and rotating the shoulder.
Created: 2024-12-06 11:25:26
Last Updated: 2024-12-06 11:25:26
roughage: Indigestible dietary fiber found in grains, fruits, vegetables, and other foods. Roughage is thought to help prevent conditions such as constipation.
Created: 2024-12-06 11:25:20
Last Updated: 2024-12-06 11:25:20
rupture: A tear or break in an organ or tissue. Tissue that protrudes through the rupture is known as a hernia.
Created: 2024-12-06 11:25:16
Last Updated: 2024-12-06 11:25:16
ruptured disk: When part of a spinal disk bulges out of a tear or weak spot in the disks tough outer shell. Also known as prolapsed disk or herniated disk.
Created: 2024-12-06 11:25:12
Last Updated: 2024-12-06 11:25:12