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).
Acanthamoeba
A microscopic organism, an amoeba, found in soil, dust and fresh water (lakes, rivers, hot springs and hot tubs). Acanthamoeba also occur in brackish water and sea water as well as in heating, venting, and air conditioner units…
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Show more- CSF (colony-stimulating factor) A laboratory-made agent similar to a substance in the body that stimulates the production of blood cells. The…
- Spotted fever Fever: Also known as Rocky Mountain spotted fever. An acute febrile (feverish) disease initially recognized…
- Activity, drug A measure of the physiological response a drug produces in the body. A less active drug produces less…
- Involution 1. Literally, a turning inward or rolling inward.2. A decrease in size, usually after an increase. The uterus…
- Landau-Kleffner syndrome Landau-Kleffner syndrome: A disorder with seizures starting in childhood in which the patient loses skills…
- Reperfusion The restoration of blood flow to an organ or tissue. After a heart attack, an immediate goal is to quickly…
- Aerotitis Middle ear problems due to changing atmospheric pressures, as when a plane descends to land. The problems…
- Pollex The thumb. Pollex is derived from the Latin pollere, to be strong, because in a contest of strength the thumb…
- Crohn enterocolitis See: Crohn disease
- ELA2 The gene encoding the enzyme elastase 2 (neutrophilic elastase). Mutations in ELA2 cause cyclic…
- Urethra The transport tube leading from the bladder to discharge urine outside the body. In males, the urethra…
- Cyst, Meibomian See: Meibomian cyst