MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
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).
Extrauterine pregnancy
A pregnancy that is not in the usual place and is located outside the inner lining of the uterus. A fertilized egg settles and grows in any location other than the inner lining of the uterus. The large majority (95%) of extrauterine…
Read the definitionRandom terms
Show more- Premature contraction See: Extrasystole
- Leukodystrophy A disorder of the white matter of the brain, the part of the brain that contains myelinated nerve fibers. The…
- Blood draw Removal of blood, usually by venipuncture (phlebotomy, venous blood sampling). Blood draw is a popular term…
- Level 4 biosafety >Level 1 -- This level applies to agents that do not ordinarily cause human disease. >Level 2 -- This level…
- PARK7 Familial Parkinson disease type 7
- Stilling-Turk-Duane syndrome See: Duane syndrome
- CHEK2 A gene on chromosome 22q that encodes a kinase enzyme and influences a person's susceptibility to breast…
- NIAAA (Nat'l Inst. on Alcoh. Abuse and Alcoholism) Sm: The National Institute on Alcohol Abuse and Alcoholism is one of the National Institutes of Health (NIH)…
- Broca's area An area of the cerebral motor cortex in the frontal lobe of the brain that is responsible for speech…
- TTP (thrombotic thrombocytopenic purpura) A life-threatening disease involving embolism and thrombosis (plugging) of the small blood vessels in the…
- Poisoning, ethylene glycol Poisoning from ethylene glycol (a clear, colorless, odorless liquid with a sweet taste) that can produce…
- Paternal age The age of the father at the time he conceives a child. The present mean (average) paternal age is 27 years…