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).
AVM (arteriovenous malformation)
An arteriovenous malformation (AVM) is a congenital disorder (one present at birth) of blood vessels in the brain, brainstem, or spinal cord that is characterized by a complex, tangled web of abnormal arteries and veins connected by one or…
Read the definitionRandom terms
Show more- Second stage of labor The part of labor from the full dilatation of the cervix until the baby is completely out of the birth canal…
- National Program of Cancer Registries A program administered in the US by the Centers for Disease Control and Prevention (CDC) since 1994 that…
- RANTES A cytokine that is a member of the interleukin-8 superfamily of cytokines. RANTES is a protein. It is a…
- DSCR See: Down syndrome critical region
- Atria The plural of atrium. The atria are the two smaller chambers of the heart. Each atrium consists of an open…
- Nicotine Nicotine: An alkaloid (a nitrogen-containing chemical) made by the tobacco plant or produced synthetically…
- Center for Devices & Radiological Health Abbreviated CDRH. Part of the FDA (the US Food & Drug Administration)
- Death, black The black plague or the plague. In 14th century Europe, the victims of the 'black plague' had bleeding below…
- Deficiency, FALDH Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease usually characterized by a…
- Association, VATER See: VATER association
- Eyelids, congenital ptosis of the Drooping of the upper eyelids at birth. The lids may droop only slightly or they may cover the pupils and…
- Genitalia, male See: Male genitalia