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).
Reflex, photic sneeze
A disorder, also known as the achoo syndrome, characterized by nearly uncontrollable paroxysms of sneezing provoked in a reflex fashion by the sudden exposure of a dark-adapted subject to intensely bright light, usually to brilliant…
Read the definitionRandom terms
Show more- Allergic vasculitis Vasculitis: A disease (also more commonly called the Churg-Straus syndrome) characterized by inflammation of…
- Functional hemispherectomy A functional hemispherectomy is a variation of a hemispherectomy, a radical procedure in which one entire…
- Syndrome, Sjogren-Larsson The Sjogren-Larsson syndrome is a genetic (inherited) disease usually characterized by a triad of clinical…
- Hyperhidrosis Hyperhidrosis: Excessive sweating. Hidrosis meaning sweating, so hyperhidrosis is too much sweating.
- Morgagni's tubercle See: Olfactory bulb
- Lactobacillus acidophilus The bacteria found in milk and fermented milk products, particularly yogurt with 'live cultures' of L…
- Herbalism The practice of making or prescribing herbal remedies for medical conditions. Practitioners of herbalism may…
- Over-the-counter (OTC) drug A drug for which a prescription is not needed
- Cinacalcet A drug that acts as a calcimimetic and that is marketed under the trade name Sensipar. For more information…
- Analytic specificity How well an assay detects only a specific substance and does not detect closely related substances
- Fever, dumdum Also called kala-azar, a chronic, potentially fatal parasitic disease of the viscera (the internal organs)…
- Aortic arch syndrome 1. Any disorder that causes occlusion of the arteries that arise from the aortic arch. 2. Synonym for…