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).
Tinea capitis
A superficial fungus infection of the skin, affecting the scalp. Also known as ringworm. This disorder occurs most commonly in children, especially those in late childhood and adolescence. It can spread in schools. Tinea capitis appears as…
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Show more- Biopsy, stereotactic needle See: Stereotactic needle biopsy
- Psychedelic 1. Hallucinogenic, distorting perception and awareness. 2. A drug such as LSD or mescaline that has…
- Depression, winter Depression, winter: See: SAD
- Hereditary mixed polyposis syndrome (HMPS) A cancer family syndrome characterized by the development of a variety of different types of polyps in…
- Nyctanopia Impaired vision in dim light and in the dark, due to impaired function of the rods in the retina. Night…
- Excisional biopsy A biopsy in which an entire biopsy in which an entire lesion, is removed. A excisional biopsy is in contrast…
- Meniscus, medial knee The word 'meniscus' refers to a crescent-shaped structure. The medial meniscus of the knee is a thickened…
- Event A set of outcomes. Cardiovascular events might include a heart attack and gastrointestinal events a GI bleed…
- Micro-RNA A tiny piece of RNA, about 21 to 23 bases in length, that binds to matching pieces of messenger RNA to make…
- Pathy A suffix derived from the Greek 'pathos' meaning 'suffering or disease' that serves as a suffix in many terms…
- Recurrent aural vertigo A condition, also known as Meniere's disease, with recurrent vertigo accompanied by ringing in the ears…
- Blepharophimosis Horizontal narrowing of the palpebral fissures (eye slits)