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.
- 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).
Infant, post-term
An overly mature baby that has not been born until well after the usual term pregnancy. A post-term baby is specifically one born 2 weeks (14 days) or more after the usual 9 months (280 days) of gestation. The gestation (length of the…
Read the definitionRandom terms
Show more- Human gene therapy Insertion of normal DNA directly into cells to correct a genetic defect. The treatment of disease by…
- ALCAM A receptor expressed on T cells which is involved in the adhesion of cells. ALCAM stands for activated…
- Electromyogram, surface Surface EMG
- TIA See Transient ischemic attack
- Baby, fetal alcohol syndrome See: Fetal alcohol syndrome
- Chronic tamponade A situation in which a chronic excess of fluid inside the pericardial sac and thickening of the pericardial…
- Fasciculation Involuntary contractions or twitchings of groups of muscle fibers. Fasciculations can occur in normal…
- Hair of the dog An alcoholic chaser reputed to relieve a hangover, usually needed the morning after imbibing too much…
- Ondine's curse Failure from birth of central nervous system control over breathing while asleep. There are usually no…
- Back pain Pain felt in the low or upper back. There are many causes of back pain. Pain in the low back can relate to…
- Traction In medicine, a procedure for manually pulling a part of the body to a beneficial effect. See traction…
- IVC 1. Intravenous cholangiogram, an X-ray study of the gallbladder. 2. Inferior vena cava, the largest vein…