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.
- 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).
Ophthalmoscope
A lighted instrument, one of the most important tools of the physician, used to examine the interior of the eye, including the lens, retina and optic nerve. The common clinical ophthalmoscope consists of a concave mirror and a…
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Show more- Hypnagogic hallucination A vivid dreamlike hallucination that occurs as one is falling asleep. The opposite of an hypnopompic…
- Birth defects, study of Birth defects, study of: The study of birth defects is now usually called dysmorphology. Dysmorphology is a…
- Sawyer's extractor A device designed for first aid that suctions venom from the site of a bite of a poisonous snake or lizard
- False positive A result that is erroneously positive when a situation is normal. An example of a false positive: a…
- Farsightedness Farsightedness: Medically termed hyperopia; the ability to see distant objects more clearly than close…
- Tarantella A remarkable example of early music therapy that originated in the region of Taranto, a city in southeastern…
- Uvula The small piece of soft tissue that can be seen dangling down from the soft palate over the back of the…
- Munchhausen syndrome (This is an alternate entry to Munchhausen syndrome. Münchhausen has an umlaut over the u but it is sometimes…
- Atherectomy A procedure for opening up an artery by removing the plaque (atheroma) produced by the build-up of…
- Polle syndrome The Munchhausen syndrome by proxy. Polle was the fictional Baron Munchausen's only child and died at a year…
- Nomenclature of diseases See: Disease nomenclature
- Helicobacter heilmannii A bacteria that infects most cats, dogs and pigs and, in them, causes stomach inflammation (gastritis). H…