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).
Nystagmus
Rapid rhythmic repetitious involuntary (unwilled) eye movements. Nystagmus can be horizontal, vertical or rotary
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Show more- Dibenzoxazepine A riot control agent or 'tear gas.' See: Riot control agent poisoning
- Aneurysm, miliary An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an…
- Imperforate anus A congenital malformation (a birth defect) in which the rectum is a blind alley (a cul-de-sac) and there is…
- Cranial nerve, sixth The sixth cranial nerve is the abducent nerve. It is a small motor nerve that has one task: to supply a…
- Dracunculiasis A parasitic disease caused by the largest parasite that plagues people and bores into their tissues -- the…
- Allergy skin test Allergy skin test: Test done on the skin to identify the allergy substance (the allergen) that is triggering…
- Genitalia, male See: Male genitalia
- Rod A type of specialized light-sensitive cell (photoreceptor) in the retina of the eye that provides side vision…
- Nephrosclerosis Hardening (sclerosis) of the kidney usually due to disease of the blood vessels in it from atherosclerosis.
- Data Facts, statistics, and the like. In medicine and the health sciences, people often speak of 'the data'…
- Tube, nasogastric See: Nasogastric tube
- Paprika A spicy seasoning ground from a variety of sweet red pepper (Capsicum annuum), the original source of vitamin…