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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Ala
Alanine. See also: Amino acid symbols
Read the definitionRandom terms
Show more- Linkage The tendency for genes and other genetic markers to be inherited together because of their location near one…
- N-nitroso-fenfluramine A variant of fenfluramine. See: Fenfluramine
- CTS One of a group of proteins that regulate the cell cycle. The cyclins bind to and activate cyclin-dependent…
- Waardenburg, Petrus Johannes See: Stickler syndrome.
- Menstruation Menstruation: The periodic blood that flows as a discharge from the uterus. Also called menorrhea, the time…
- International normalized ratio An international unit (IU) is an internationally accepted amount of a substance. This type of measure is used…
- Ear, malrotated See Ear, slanted
- Granulocyte colony-stimulating factor See: G-CSF
- Hypotonia Decreased tone of skeletal muscles. In a word, floppiness. Hypotonia is a common finding in cerebral palsy…
- WDWN Abbreviation for 'well developed, well nourished' used by doctors as shorthand when jotting down the results…
- Shy-Drager syndrome A mysterious progressive disorder of the central and sympathetic nervous systems, also called multiple system…
- Postcoital contraception See: Emergency contraception