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).
Onychomycosis
Onychomycosis: Fungal infection of the nails. Fungal infections can involve either the toenails or the fingernails. Nail fungal infection is usually caused by the dermatophyte fungi Trichophyton rubrum which can invade the nail bed. See…
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Show more- Intracranial Within the cranium, the bony dome that houses and protects the brain. An intracranial hemorrhage is bleeding…
- Lunule 1. The crescent-shaped area at the base of a fingernail or toenail. 2. Any small crescent- or moon-shaped…
- Acute confusional state See: Delirium
- Bag of waters Popular name for the amniotic sac together with the amniotic fluid within it. The amniotic sac is formed by…
- Tamponade, cardiac A life-threatening situation in which there is such a large amount of fluid (usually blood) inside the…
- Hygiene theory See: Hygiene hypothesis
- Abraham-man Also abram-man. One of a class of beggars who once wandered over England after the dissolution of the…
- Heat rash Heat rash: Heat rash is an irritation of the skin that results from excessive sweating during hot and humid…
- Insecticide A chemical used specifically to kill or control the growth of insects. Certain insecticides have been banned…
- Lymphoma, MALT See: MALT lymphoma
- Heredofamilial tremor See: Essential tremor
- Muscle, papillary Small muscles within the heart that anchor the heart valves. The anchor ropes are the chordae tendineae…