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).
Leukemia, hairy-cell
See: Hairy cell leukemia
Read the definitionRandom terms
Show more- Swallowing tube Descriptive term for the esophagus. See: Esophagus.
- Gastroenteritis Gastroenteritis: Inflammation of the stomach and the intestines. Can cause nausea and vomiting and/or…
- Rochalimaea quintana Now preferentially referred to as Bartonella quintana, this is an unusual rickettsial organism that can…
- Vasa previa A condition in which blood vessels within the placenta or the umbilical cord are trapped between the fetus…
- Aspiration pneumonia Pneumonia: Infection of the lungs due to aspiration (the sucking in of food particles or fluids into the…
- Arteriovenous malformation (AVM) A serious disease characterized by inflammation of the walls of the blood vessels (vasculitis). The vessels…
- Phen-Fen The once-popular diet-drug combination of fenfluramine and phentermine that, amidst much media attention, was…
- Malaise A vague feeling of discomfort, one that cannot be pinned down but is often sensed as 'just not right.'…
- Deafness and keratopachydermia See Keratitis-ichthyosis-deafness syndrome.
- Syndrome, Down A common chromosome disorder due to an extra chromosome number 21 (trisomy 21). Down syndrome causes mental…
- Reagent A substance used to produce a chemical reaction to detect, measure, produce, etc. other substances
- Heart rate The number of heart beats per unit time, usually per minute. The heart rate is based on the number of…