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).
Vitamin K
One of two naturally occurring fat-soluble vitamins (vitamin K1 and vitamin K2) needed for the clotting of blood because of an essential role in the production of prothrombin (a clotting factor). The term vitamin A may also refer to a…
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Show more- New England Journal of Medicine Despite its regional name, The New England Journal of Medicine (NEJM) is far from provincial. It is an…
- Syndrome, Munchhausen Syndrome, Munchhausen: Recurrent feigning of catastrophic illnesses. Munchhausen syndrome is a psychological…
- Sinus headache A headache caused by pressure within the sinus cavities of the head, usually in connection with infection of…
- Ejaculatory duct A canal in the male formed by union of the vas deferens and the duct from the seminal vesicle. The…
- Oral surgeon A dentist with special training in surgery of the mouth and jaw.
- Carcinogen A substance or agent that causes cancer. Related terms include the adjective 'carcinogenic' and the nouns…
- Abortive polio Abortive polio is a minor illness. It accounts for 80-90% of clinically apparent cases of polio infection…
- Uranium A metallic element that is used as nuclear fuel and is highly toxic and radioactive. Exposure to radiation…
- Medical physics The science of human health and radiation exposure. Medical physics, also called health physics, is devoted…
- Colposcope A lighted magnifying instrument used by a gynecologist to examine the tissues of the vagina and the cervix…
- Paterfamilias The male head of the family; the father figure. Paterfamilias is the Latin for father of the household. It is…
- Cal See: Calorie