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).
Brill-Zinsser disease
Recrudescence of epidemic typhus years after the initial attack. The agent that causes epidemic typhus (Rickettsia prowazekii) remains viable for many years and then when host defenses are down, it is reactivated causing recurrent typhus…
Read the definitionRandom terms
Show more- Biopsy, endometrial See: Endometrial biopsy
- Pica A craving for something not normally regarded as nutritive. For example, dirt. Pica is a classic clue to iron…
- Urinary Having to do with the kidneys, ureters, and bladder. The urinary system represents the functional and…
- Mastocytoma A form of mastocytosis characterized by a benign nodular skin tumor infiltrated by mast cells. Usually…
- Heel prick A procedure in which the heel is pricked and then a small amount of the blood is collected, usually with a…
- Alpha-synuclein One in a family of structurally related proteins that are prominently expressed in the central nervous…
- Pregnancy-associated plasma protein A Abbreviated as PAPPA or PAPP-A. A large zinc-binding protein that acts as an enzyme, specifically a…
- Spasms, infantile See: Infantile spasms
- Perioperative Literally, around (the time of) surgery. More specifically, the period of time extending from when the…
- Statins Statins: A class of drugs that lower cholesterol. The statin drugs on the market in the US include: >…
- Acrocephalosyndactyly An inherited disorder causing abnormalities of the skull and face and the hands and feet. In…
- Tongue tie A minor congenital anomaly (birth defect) in which the flap of mucous membrane under the tongue (known as the…