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).
Axon
A long fiber of a nerve cell (a neuron) that acts somewhat like a fiber-optic cable carrying outgoing (efferent) messages. The neuron sends electrical impulses from its cell body through the axon to target cells. Each nerve cell has one…
Read the definitionRandom terms
Show more- Whitehead A familiar term for what is medically called a closed comedo. A comedo, the primary sign of acne, consists of…
- Cirrhosis Cirrhosis: An abnormal liver condition characterized by irreversible scarring of the liver. Alcohol and viral…
- Organotherapy The use of extracts of animal glands or organs to treat disease. Pituitary extracts from pigs, for example…
- H. flu genome The total genetic complement of the bacterium Haemophilus influenzae (H. flu). This bacterial genome was the…
- AV (atrioventricular) AV is the standard medical abbreviation for atrioventricular, a combination that means pertaining to the…
- Migraine without aura See: Common migraine
- Duodenal Pertaining to the duodenum, part of the small intestine. As in duodenal ulcer or duodenal biliary drainage
- Disease, pelvic inflammatory (PID) Despite its seeming lack of gender, this term is applied to women only. PID refers exclusively to ascending…
- Uterus cancer See: Uterine cancer
- Remodelling, chromatin See: Chromatin remodeling
- Multiple organ failure A term synonymous with multiple system failure and equally vague and nonspecific. See: Multiple system failure
- Open-angle glaucoma Glaucoma: Glaucoma in which the aqueous (fluid) that flows through the pupil into the anterior (front)…