MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
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Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Meiotic nondisjunction
Failure of two members of a chromosome pair to separate (disjoin) during meiosis so that both go to one daughter cell and none to the other. This mechanism is responsible for the extra chromosome 21 in trisomy 21 (Down syndrome) and for…
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Show more- Low back pain Low back pain: Pain in the lower back area that can relate to problems with the lumbar spine, the discs…
- Tobacco smoke, environmental Abbreviated ETS. See: ETS.
- Syndrome, Klippel-Trenaunay-Weber (KTW) A congenital malformation syndrome characterized by the triad of asymmetric limb hypertrophy, hemangiomata…
- Radius In anatomy, the radius is the smaller of the two bones on the thumb side of the forearm. (The bigger one is…
- Meal moth A moth that infests both stored grain and cereal products. The moth larvae cause damage in corn meal…
- Hepat- Having to do with the liver. Pronounced hi-'pa-tik. From the Latin hepaticus derived from the Greek hepar…
- LUQ Abbreviation for the left upper quadrant (quarter). The LUQ of the abdomen contains the spleen. (By contrast…
- Deficiency, selenium Lack of the essential mineral selenium, which can cause Keshan disease, a fatal form of cardiomyopathy…
- XXXXX syndrome A chromosome disorder in females, caused by the presence of five X chromosomes rather than the usual two. It…
- Ambient Surrounding, present on all sides; encompassing. As, the ambient noise is deafening, or the ambient light is…
- PCR (polymerase chain reaction) PCR (polymerase chain reaction): A key technique in molecular genetics that permits the analysis of any short…
- Slake 1. To satisfy or quench. As, for example, she drank some water to slake her thirst. 2. To mix with water, to…