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).
Histo-
Literally, tissue compatibility. With full histocompatibility between a donor and recipient, tissue can be transplanted without being seen as foreign and being attacked by the immune system of the recipient.
Read the definitionRandom terms
Show more- Basilar fracture A break in bone at the base of the skull. About a half of basilar fractures are caused by bicycle or motor…
- FTA-ABS test FTA-ABS stands for fluorescent treponemal antibody absorbed, a blood serum screening test for syphilis…
- Capsaicin A component of certain plants, including cayenne and red pepper, used topically to relieve minor arthritis…
- Proportional counter A device for measuring radioactivity. More technically, a proportional counter counts the emission of…
- Pacemaker, artificial A device that uses electrical impulses to regulate the heart rhythm or to reproduce that rhythm. An internal…
- Carbolic acid A synonym of phenol. In dilute solution, an antimicrobial agent. First used to clean wounds and dress them by…
- Fenfluramine A weight loss drug, in a class of drugs called anorectics which decrease appetite. This drug, sold in the US…
- Oneself, fear of An irrational fear of oneself, an intense self-fear that is groundless. Fear of oneself is termed…
- Plummer's disease Toxic multinodular goiter. Also called Parry's disease
- Pisa syndrome A condition in which there is sustained involuntary flexion of the body and head to one side and slight…
- Vitreous type 2 Stickler syndrome Stickler syndrome, type II. See: Stickler syndrome
- Pericardial Referring to the pericardium, the sac of fibrous tissue that surrounds the heart. The inner surface of the…