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).
Enzyme
A protein (or protein-based molecule) that speeds up a chemical reaction in a living organism. An enzyme acts as catalyst for specific chemical reactions, converting a specific set of reactants (called substrates) into specific products…
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Show more- Menarche The time in a girl's life that menstruation first begins. During the menarche period, menstruation may be…
- His-Werner disease This is a parasite (louse-borne) disease that was first recognized in the trenches of World War I and so was…
- Cys-Cys Cystine
- Syndrome, carcinoid A syndrome due to carcinoid tumor which secretes large amounts of the hormone serotonin. The syndrome is…
- Blister agent See: Vesicant
- Catheter A thin, flexible tube. For example, a catheter placed in a vein provides a pathway for giving drugs…
- Artery, mesenteric One of the arteries that arises from the abdominal portion of the aorta and distributes blood to most of the…
- Heart muscle A type of muscle with unique features only found in the heart. The heart muscle, or cardiac muscle, is…
- Sociopathic personality See: Antisocial personality disorder
- Antihypertensive Something that reduces high blood pressure (hypertension)
- Polygenic Pertaining to two or more genes. As opposed to monogenic. Eye color is polygenic. It is by determined by a…
- Atopic dermatitis Ding=0 width='100%' border=0> ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%'…