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).
Choanal stenosis
Abnormal narrowing of the choana, the passageway from the back of one side of the nose to the throat. The choana is shaped like an inverted funnel which opens into the upper throat. There are two choanae. The choanae must be open to permit…
Read the definitionRandom terms
Show more- MiRNA Micro-RNA
- Nocebo A negative placebo effect as, for example, when patients taking medications experience adverse side effects…
- Brachial plexus paralysis See: Brachial plexus palsy
- Deafness-ichthyosis-keratitis syndrome See Keratitis-ichthyosis-deafness syndrome
- Midnight disease See: Hypergraphia
- Congenital defect A birth defect.
- Opioid 1. A synthetic narcotic that resembles the naturally occurring opiates. 2. Any substance that binds to or…
- Intraductal papilloma A benign, wart-like growth that occurs in breast ducts
- Baylisascaris Infection by the raccoon roundworm. Baylisascaris procyonis is found commonly in raccoons. When infective…
- Immunodeficient Lacking immunity and so susceptible to infection.
- Calf The belly or fleshy hind part of the leg below the knee. The calf is made up mainly of the gastrocnemius…
- Addiction A chronic relapsing condition characterized by compulsive drug-seeking and abuse and by long-lasting chemical…