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).
Premature systole
See: Extrasystole
Read the definitionRandom terms
Show more- Drug, antimicrobial A drug used to treat a microbial infection. The term 'antimicrobial' is a general one that refers to a group…
- D- Abbreviation for dextrorotatory, applied to a chemical compound. Dextrorotary is opposed to levorotary which…
- Crotch A nonmedical term in common usage for the region where the legs come together, the place where the lower…
- Fetal alcohol effects (FAE) A softer diagnosis than fetal alcohol syndrome (FAS). The diagnosis of possible FAE is considered when: 1…
- Air-conditioner lung A form of the sick building syndrome caused by organisms that contaminate humidifiers and the piping of air…
- Frenum A restraining structure. Frenum is Latin for a bridle. A small frenum is a frenulum
- Anaplasmosis A tick-borne disease of cattle, sheep, and related ruminants caused by a microorganism called Anaplasma…
- Pancreatic carcinoma See: Pancreatic cancer
- Step protocol See: Step therapy
- Syndrome, Asperger See: Asperger syndrome
- Endometrial hyperplasia A condition characterized by overgrowth of the lining of the uterus. Hyperplasia means overgrowth. The…
- Biceps The biceps is a muscle that has two heads or origins. In Latin, biceps means two-headed and is derived from…