N-methyl-D-aspartame receptor: A molecule on the surface of a brain cell that admits calcium when activated by the chemical messenger glutamate.
Created: 2024-12-06 13:28:08
Last Updated: 2024-12-06 13:28:08
NK: Abbreviation for natural killer cells, a type of white blood cell of the immune system. These cells destroy other cells that fail to display the right chemical flags signaling that they are normal cells.
Created: 2024-12-06 13:28:12
Last Updated: 2024-12-06 13:28:12
NMDA receptor: Abbreviation for the N-methyl-D-aspartame receptor, a molecule on the surface of a brain cell that admits calcium when activated by the chemical messenger glutamate.
Created: 2024-12-06 13:28:19
Last Updated: 2024-12-06 13:28:19
NO: Abbreviation for nitric oxide, a compound produced by the endothelium (the lining of the interior walls of arteries) that helps widen blood vessels and counteract high blood pressure. Also called endothelium-derived relaxing factor.
Created: 2024-12-06 13:28:22
Last Updated: 2024-12-06 13:28:22
NSAID: Abbreviation for nonsteroidal anti-inflammatory drug, a drug that reduce swelling and pain.
Created: 2024-12-06 13:28:26
Last Updated: 2024-12-06 13:28:26
NX.4.1 (Nexus):Emerging in 2024, Nexus had enhanced transmissibility but a low hospitalization rate. Imaging findings were rare and primarily mild.
Created: 2024-12-06 13:28:33
Last Updated: 2024-12-06 13:28:33
Naegleria fowleri: A free-living amoeba responsible for primary amoebic meningoencephalitis (PAM), a rapidly fatal brain infection contracted from contaminated water.
Created: 2024-12-06 13:28:40
Last Updated: 2024-12-06 13:28:40
Naltrexone: An opioid antagonist used to treat alcohol and opioid addiction.
Created: 2024-12-06 13:28:44
Last Updated: 2024-12-06 13:28:44
Nanocurie (nCi): A subunit of the curie, equal to 10^-9 curies, used for measuring small amounts of radioactivity.
Created: 2024-12-06 13:28:50
Last Updated: 2024-12-06 13:28:50
Naproxen: A nonsteroidal anti-inflammatory drug (NSAID) used to relieve pain and inflammation.
Created: 2024-12-06 13:28:54
Last Updated: 2024-12-06 13:28:54
Nasal Bone: The small bones that form the bridge of the nose.
Created: 2024-12-06 13:29:00
Last Updated: 2024-12-06 13:29:00
Nasal Speculum: A device used to hold open the nostrils during nasal examinations or surgeries, such as septoplasty.
Created: 2024-12-07 14:35:26
Last Updated: 2024-12-07 14:35:26
Natural Selection: The process by which organisms better adapted to their environment tend to survive and produce more offspring.
Created: 2024-12-06 13:29:06
Last Updated: 2024-12-06 13:29:06
Created: 2024-12-06 13:29:17
Last Updated: 2024-12-06 13:29:17
Created: 2024-12-06 13:29:13
Last Updated: 2024-12-06 13:29:13
Necator americanus: A hookworm causing similar symptoms to Ancylostoma duodenale, prevalent in tropical regions.
Created: 2024-12-06 13:29:27
Last Updated: 2024-12-06 13:29:27
Needle Drivers (Robotic): Robotic needle drivers are used for guiding and placing sutures during robotic-assisted surgeries, offering fine control over the suture.
Created: 2024-12-07 14:35:48
Last Updated: 2024-12-07 14:35:48
Neisseria meningitidis: A Gram-negative bacterium that can cause bacterial meningitis and septicemia, particularly in young adults.
Created: 2024-12-07 14:35:59
Last Updated: 2024-12-07 14:35:59
Neodymium (Nd): Neodymium-147 is a radioactive isotope with uses in dating and scientific research, particularly in geology.
Created: 2024-12-06 13:29:34
Last Updated: 2024-12-06 13:29:34
Neonatal Nurse: A nurse who cares for newborn infants, especially those born prematurely or with health issues.
Created: 2024-12-07 17:26:51
Last Updated: 2024-12-07 17:26:51
Neonatal Severe Acute Respiratory Syndrome (NeoSARS): An emerging concern in pediatric infectious diseases, potentially linked to unidentified coronaviruses in neonates.
Created: 2024-12-06 13:29:41
Last Updated: 2024-12-06 13:29:41
Nephrologist: A doctor who focuses on kidney-related diseases and conditions, including kidney failure, dialysis, and kidney transplantation.
Created: 2024-12-07 14:36:07
Last Updated: 2024-12-07 14:36:07
Nephrology Department: A department specializing in kidney-related diseases and treatments.
Created: 2024-12-07 17:27:02
Last Updated: 2024-12-07 17:27:02
Neptunium (Np): A radioactive element used in nuclear reactors and for research in radiochemistry.
Created: 2024-12-06 13:29:45
Last Updated: 2024-12-06 13:29:45
Neurocysticercosis: A parasitic infection of the central nervous system caused by the larvae of Taenia solium, leading to seizures and other neurological symptoms.
Created: 2024-12-06 13:29:52
Last Updated: 2024-12-06 13:29:52
Neurofibromatosis Type 1: A genetic disorder characterized by the growth of non-cancerous tumors in the nervous system, including neurofibromas, and an increased risk of developing malignant peripheral nerve sheath tumors.
Created: 2024-12-06 13:29:59
Last Updated: 2024-12-06 13:29:59
Neurologist: A doctor specializing in the diagnosis and treatment of diseases of the brain and nervous system, including conditions like epilepsy, Alzheimer’s, and stroke.
Created: 2024-12-07 14:36:16
Last Updated: 2024-12-07 14:36:16
Neurology Department: A hospital department focused on disorders of the nervous system.
Created: 2024-12-07 17:27:17
Last Updated: 2024-12-07 17:27:17
Neuroradiologist: A radiologist specializing in the use of imaging technology to diagnose conditions of the brain, spine, and nervous system, including strokes, tumors, and multiple sclerosis.
Created: 2024-12-07 14:36:20
Last Updated: 2024-12-07 14:36:20
Neurosurgeon: A specialist who performs surgeries to treat conditions of the brain, spine, and nervous system, such as brain tumors, spinal cord injuries, and epilepsy surgery.
Created: 2024-12-07 14:36:26
Last Updated: 2024-12-07 14:36:26
Neurovascular Specialist: A doctor who focuses on treating diseases and conditions related to the blood vessels of the brain and spinal cord, including stroke and aneurysms.
Created: 2024-12-07 14:36:36
Last Updated: 2024-12-07 14:36:36
Neutron Therapy: A type of radiotherapy using neutron particles instead of x-rays, typically used for specific types of tumors like melanoma and sarcomas.
Created: 2024-12-06 13:30:04
Last Updated: 2024-12-06 13:30:04
Neutrons: Used in specialized treatments like neutron capture therapy, with energies typically in the range of 0.1–15 MeV.
Created: 2024-12-06 13:30:08
Last Updated: 2024-12-06 13:30:08
Nickel (Ni): Nickel-63 is used in radiation detectors and for research purposes in nuclear chemistry.
Created: 2024-12-06 13:30:15
Last Updated: 2024-12-06 13:30:15
Nifedipine: A calcium channel blocker used to treat high blood pressure and angina.
Created: 2024-12-06 13:30:18
Last Updated: 2024-12-06 13:30:18
Nihonium (Nh): A synthetic element discovered by Japanese scientists, used primarily for scientific experiments.
Created: 2024-12-04 09:20:50
Last Updated: 2024-12-04 09:20:50
Nitroglycerin: A nitrate used to treat angina and heart failure.
Created: 2024-12-06 13:30:23
Last Updated: 2024-12-06 13:30:23
Nobelium (No): This synthetic element is mainly used in research in the fields of nuclear physics and chemistry.
Created: 2024-12-04 09:20:50
Last Updated: 2024-12-04 09:20:50
Non-ionizing radiation: Radiation that does not have enough energy to ionize atoms, such as ultraviolet light, visible light, and radio waves.
Created: 2024-12-06 13:30:31
Last Updated: 2024-12-06 13:30:31
Nonsense Mutation: A mutation that changes an amino acid codon into a stop codon, potentially shortening the protein.
Created: 2024-12-06 13:30:38
Last Updated: 2024-12-06 13:30:38
Nonunion Fracture: A broken bone that fails to heal properly.
Created: 2024-12-06 13:30:46
Last Updated: 2024-12-06 13:30:46
Northern Blotting: A technique used to detect specific RNA sequences in a sample using a hybridization probe.
Created: 2024-12-06 13:30:52
Last Updated: 2024-12-06 13:30:52
Nuclear Medicine Technologist: A healthcare professional who administers radiopharmaceuticals and operates imaging equipment, such as PET and SPECT scanners, to aid in the diagnosis and treatment of medical conditions.
Created: 2024-12-07 14:36:56
Last Updated: 2024-12-07 14:36:56
Nuclear Safety: The protection of individuals, communities, and the environment from the dangers of radioactive materials or nuclear power facilities.
Created: 2024-12-06 13:30:58
Last Updated: 2024-12-06 13:30:58
Nucleosome: A structural unit of chromatin, consisting of a segment of DNA wound around histone proteins.
Created: 2024-12-06 13:31:02
Last Updated: 2024-12-06 13:31:02
Nurse Manager: A nurse responsible for overseeing nursing staff, patient care, and administrative functions within a healthcare facility.
Created: 2024-12-07 17:27:42
Last Updated: 2024-12-07 17:27:42
Nutrition and Dietetics Department: A healthcare facility providing dietary advice and nutrition therapy.
Created: 2024-12-07 17:27:52
Last Updated: 2024-12-07 17:27:52
nanograms per milliliter: A small quantity of a substance; equivalent to one-billionth of a gram (454 grams make 1 pound) in one-thousandth of a liter (1 liter is approximately 1 quart). Abbreviated as ng/ml.
Created: 2024-12-06 12:02:15
Last Updated: 2024-12-06 12:02:15
narcolepsy: A sleep disorder that causes extreme sleepiness and uncontrollable sleep attacks, making a person fall asleep at inappropriate times during the day.
Created: 2024-12-06 12:02:07
Last Updated: 2024-12-06 12:02:07
nasolabial folds: Lines in the skin leading from the nose to the outer corners of the mouth. Also known as smile or laugh lines.
Created: 2024-12-06 12:02:04
Last Updated: 2024-12-06 12:02:04
natural recoverers: People who overcome addiction without treatment or formal self-help programs.
Created: 2024-12-06 12:01:57
Last Updated: 2024-12-06 12:01:57
nebulizer: A device that converts a liquid medicine into a mist that can be breathed in.
Created: 2024-12-06 12:01:51
Last Updated: 2024-12-06 12:01:51
necrosis: The premature death of living cells or tissues.
Created: 2024-12-06 12:01:48
Last Updated: 2024-12-06 12:01:48
needle biopsy: Use of a hollow needle to remove a small sample of tissue for examination.
Created: 2024-12-06 12:01:45
Last Updated: 2024-12-06 12:01:45
neoadjuvant therapy: A helper treatment given before a primary treatment is started, such as when chemotherapy is done before surgery in order to shrink a tumor.
Created: 2024-12-06 12:01:39
Last Updated: 2024-12-06 12:01:39
neonatal: Relating to an infant younger than 4 weeks of age.
Created: 2024-12-06 12:01:32
Last Updated: 2024-12-06 12:01:32
neoplasm: An abnormal growth of tissue, either cancerous or benign.
Created: 2024-12-06 12:01:29
Last Updated: 2024-12-06 12:01:29
nephritis: Inflammation of the kidneys.
Created: 2024-12-06 12:01:26
Last Updated: 2024-12-06 12:01:26
nephropathy: Kidney disease.
Created: 2024-12-06 12:01:23
Last Updated: 2024-12-06 12:01:23
nerve sparing: When referring to prostatectomy, the surgical procedure that preserves the nerves needed to allow the penis to become erect.
Created: 2024-12-06 12:01:19
Last Updated: 2024-12-06 12:01:19
neuralgia: A burning or stabbing pain that follows the path of a nerve.
Created: 2024-12-06 12:01:12
Last Updated: 2024-12-06 12:01:12
neuritic plaques: Clumps of sticky proteins found in the brains of people with Alzheimer's disease.
Created: 2024-12-06 12:01:09
Last Updated: 2024-12-06 12:01:09
neurofibrillary tangles: Twisted strands of proteins that are found inside the dead or dying nerve cells of people with Alzheimer's disease.
Created: 2024-12-06 12:01:02
Last Updated: 2024-12-06 12:01:02
neuroleptic agents: Powerful tranquilizing drugs used to treat schizophrenia.
Created: 2024-12-06 12:00:55
Last Updated: 2024-12-06 12:00:55
neurologist: A physician trained to diagnose and treat disorders of the nervous system, including the brain and spinal cord.
Created: 2024-12-06 12:00:48
Last Updated: 2024-12-06 12:00:48
neuromuscular junction: The tiny space between the end of a nerve and the surface of a muscle.
Created: 2024-12-06 12:00:44
Last Updated: 2024-12-06 12:00:44
neuron: A nerve cell.
Created: 2024-12-06 12:00:34
Last Updated: 2024-12-06 12:00:34
neuropathy: Nerve damage and resulting loss of sensation, movement, or other function.
Created: 2024-12-06 12:00:32
Last Updated: 2024-12-06 12:00:32
neuropeptides: Small proteins that aid in transmitting signals between nerve cells.
Created: 2024-12-06 12:00:09
Last Updated: 2024-12-06 12:00:09
neurosyphilis: A rare infection of the brain or spinal cord that occurs when syphilis goes untreated for many years.
Created: 2024-12-06 12:00:06
Last Updated: 2024-12-06 12:00:06
neurotransmitter receptors: Cell structures (usually proteins) that recognize specific neurotransmitters and bind to them. Once bound, a receptor often changes shape, causing a cascade of chemical events within the cell. These events can alter which genes are turned on or off and can make the cell more or less likely to release its neurotransmitters.
Created: 2024-12-06 12:00:02
Last Updated: 2024-12-06 12:00:02
neutral spine: A position in which the back is straight except for the slight natural curves of the spine.
Created: 2024-12-06 11:59:50
Last Updated: 2024-12-06 11:59:50
neutropenia: An abnormally low number of white blood cells.
Created: 2024-12-06 11:59:43
Last Updated: 2024-12-06 11:59:43
neutrophils: White blood cells that seek out and engulf foreign cells.
Created: 2024-12-06 11:59:40
Last Updated: 2024-12-06 11:59:40
nitrates: Medications that widen blood vessels; usually used to treat chest pain from angina and other heart problems.
Created: 2024-12-06 11:59:37
Last Updated: 2024-12-06 11:59:37
nitric oxide: A compound produced by the endothelium (the lining of the interior walls of arteries) that helps widen blood vessels and counteract high blood pressure. Also called endothelium-derived relaxing factor.
Created: 2024-12-06 11:59:33
Last Updated: 2024-12-06 11:59:33
nitroglycerin: A drug that relaxes blood vessels and increases the supply of blood and oxygen to the heart while reducing its workload. It is commonly used to treat angina.
Created: 2024-12-06 11:59:27
Last Updated: 2024-12-06 11:59:27
nociceptors: Nerve endings that detect pain and transmit pain information to the brain and spinal cord.
Created: 2024-12-06 11:59:24
Last Updated: 2024-12-06 11:59:24
nocturia: Waking up more than once during the night to urinate.
Created: 2024-12-06 11:59:20
Last Updated: 2024-12-06 11:59:20
nodule: A small rounded bump or knot of tissue.
Created: 2024-12-06 11:59:16
Last Updated: 2024-12-06 11:59:16
nomogram: A chart or graph of mathematical calculations of risk; used in making treatment recommendations and predicting outcomes.
Created: 2024-12-06 11:59:12
Last Updated: 2024-12-06 11:59:12
non-HDL cholesterol: The sum of all cholesterol types other than high-density lipoprotein (HDL). These include very-low-density lipoprotein, low-density lipoprotein, and intermediate-density lipoprotein.
Created: 2024-12-06 11:59:08
Last Updated: 2024-12-06 11:59:08
non-REM sleep: The sleep phase that includes deep sleep, the type considered most important for preventing daytime sleepiness.
Created: 2024-12-06 11:59:01
Last Updated: 2024-12-06 11:59:01
non-insulin-dependent diabetes: Now called type 2 diabetes. A disease in which levels of blood sugar (glucose) are too high initially because cells cannot properly use insulin (a hormone that helps cells absorb glucose from the bloodstream). Over time the production of insulin may decline.
Created: 2024-12-06 11:58:55
Last Updated: 2024-12-06 11:58:55
noninvasive test: A test that does not require any medical instruments to break the skin or enter the body.
Created: 2024-12-06 11:58:45
Last Updated: 2024-12-06 11:58:45
nonketotic hyperglycemic hyperosmolar syndrome: A rare and very serious condition associated with type 2 diabetes. Symptoms include extremely high (more than 800 mg/dl) blood sugar levels, severe dehydration, and changes in mental status, ultimately resulting in coma.
Created: 2024-12-06 11:58:34
Last Updated: 2024-12-06 11:58:34
nonproliferative retinopathy: A condition in which the walls of the small blood vessels in the retina leak serum and tiny pockets of swelling form in the walls of blood vessels. Also called background retinopathy.
Created: 2024-12-06 11:58:27
Last Updated: 2024-12-06 11:58:27
nonsteroidal anti-inflammatory drug: A drug that reduces swelling and pain.
Created: 2024-12-06 11:58:19
Last Updated: 2024-12-06 11:58:19
noradrenaline: A hormone produced by adrenal glands that puts the body on heightened alert when a threat is perceived (the fight-or-flight response). Also known as norepinephrine.
Created: 2024-12-06 11:58:11
Last Updated: 2024-12-06 11:58:11
norepinephrine: A hormone produced by adrenal glands that puts the body on heightened alert when a threat is perceived (the fight-or-flight response). Also known as noradrenaline.
Created: 2024-12-06 11:58:08
Last Updated: 2024-12-06 11:58:08
normal-pressure hydrocephalus: A buildup of fluid in the brain that causes the brain to swell, and leads to slowing of mental function, trouble walking, and a loss of bladder control.
Created: 2024-12-06 11:58:04
Last Updated: 2024-12-06 11:58:04
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 11:57:56
Last Updated: 2024-12-06 11:57:56
nucleus pulposus: The gel-like shock-absorbing central portion of each spinal disc.
Created: 2024-12-06 11:57:49
Last Updated: 2024-12-06 11:57:49
nutraceutical: Dietary supplement containing concentrated forms of a presumed bioactive substance originally derived from food and used to enhance health in dosages exceeding those normally obtainable from food.
Created: 2024-12-06 11:57:41
Last Updated: 2024-12-06 11:57:41
nutrients: Substances in foods that the body needs to survive.
Created: 2024-12-06 11:57:36
Last Updated: 2024-12-06 11:57:36