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.
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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).
Electrophysiology
The biomedical field dealing with the study of electric activity in the body. Electrophysiology includes the study of the production of electrical activity and the effects of that electrical activity on the body. See, for example…
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Show more- Propositus A male through whom a family medically comes to light (is first ascertained). Also called the proband or…
- Sleepiness, excessive daytime (EDS) A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep. Also known as…
- Austin Flint murmur A murmur due to aortic regurgitation, originating at the mitral valve when blood enters simultaneously from…
- Intron Part of a gene that is initially transcribed into the primary RNA transcript but then removed from it when…
- Poison ivy Poison ivy: Skin inflammation resulting from contact with oils from the poison ivy vine. Chemicals produced…
- Dyspepsia Dyspepsia: Dyspepsia refers to a condition (disease) in which there are upper abdominal symptoms which may…
- Riley-Day syndrome Eponym for familial dysautonomia. See: Familial dysautonomia.
- Hematemesis The medical term for bloody vomitus. The word 'hematemesis' is made up of 'hema-', blood + 'emesis', vomit =…
- Leuko- Prefix meaning white, as in leukocyte (white blood cell). Leuko- comes from the Greek 'leukos' meaning white…
- SCN (severe congenital neutropenia) Neutropenia): An condition characterized by a lack of neutrophils, a type of white blood cell that is…
- Diphtheria Diphtheria: An acute infectious disease that typically strikes the upper respiratory tract including the…
- Analytic specificity How well an assay detects only a specific substance and does not detect closely related substances