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.
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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).
Epidemic
The occurrence of more cases of a disease than would be expected in a community or region during a given time period. A sudden severe outbreak of a disease such as SARS. From the Greek 'epi-', 'upon' + 'demos', 'people or population' =…
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Show more- Rickettsioses The infectious diseases caused by the rickettsiae. See Rickettsial diseases
- Biopsy, brain See: Brain biopsy
- Olfactory apparatus The entire system needed to have a sense of smell. This system involves at least 1,000 genes for the…
- Laser, argon See: Argon laser
- Cystic fibrosis A combining form denoting a cell. Derived from the Greek "kytos" meaning "hollow, as a cell or container."…
- Descending aorta The descending aorta is the part of the aorta, the largest artery in the body, that runs down through the…
- Fetal alcohol effects (FAE) A softer diagnosis than fetal alcohol syndrome (FAS). The diagnosis of possible FAE is considered when: 1…
- Oscitation The act of yawning, the involuntary opening of the mouth with respiration, breathing first inward, then…
- Microvascular disease Disease of the finer blood vessels in the body, including the capillaries. In contrast to macrovascular…
- Sinus tachycardia A fast heartbeat (tachycardia) because of rapid firing of the sinoatrial (sinus) node. The sinoatrial (or…
- SSRI A flowering plant, Hypericum perforatum, also known as Perforate St John's wort, that has long been believed…
- Map, contig A map depicting the relative order of a linked library of small overlapping clones representing a complete…