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).
Syndrome, toxic shock
A grave condition occurring predominantly in menstruating women using tampons, toxic shock is characterized by a highly toxic state (with sudden high fever, vomiting, diarrhea, muscle aching) followed by low blood pressure (hypotension)…
Read the definitionRandom terms
Show more- Tripeptide A peptide consisting of three amino acids
- Compression, biliary See: Biliary compression
- Poisoning, lead An environmental hazard capable of causing brain damage. In the US lead poisoning is formally defined as…
- Placenta, accessory See: Accessory placenta
- Nodes, Osler's A diagnostic sign of bacterial infection of the heart (subacute bacterial endocarditis). These are small (the…
- Extravasate To exude from or pass through the walls of a vessel into the surrounding tissues. Blood, lymph, or urine can…
- Vectrin Brand name for minocycline
- Gastroenterologist A physician who specializes in the diagnosis and treatment of disorders of the gastrointestinal tract…
- Opportunistic condition A condition that occurs especially or exclusively in persons with a weak immune system due, for example, to…
- Hepatosplenomegaly Enlargement of the liver and spleen. The word 'hepatosplenomegaly' is compounded from Greek roots: 'hepato-'…
- Son 1. Principally, a male offspring. 2. Also a male adopted child. 3. A term of address for a male. From the Old…
- Intron Part of a gene that is initially transcribed into the primary RNA transcript but then removed from it when…