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).
Hydroxytryptamine
See: Serotonin
Read the definitionRandom terms
Show more- Exercise-induced bronchospasm Also called exercise- induced asthma, this is asthma that is triggered by vigorous physical activity…
- Gram calorie (Calorie) The Danish bacteriologist J.M.C. Gram (1853-1938) devised a method of staining bacteria using a dye called…
- Leukodystrophy A disorder of the white matter of the brain, the part of the brain that contains myelinated nerve fibers. The…
- MB ChB Bachelor of Medicine and Bachelor of Surgery degrees. See: MBChB
- Jugular vein, internal The deeper of the two jugular veins in the neck that drain blood from the head, brain, face and neck and…
- Atherectomy A procedure for opening up an artery by removing the plaque (atheroma) produced by the build-up of…
- Nucleus, arcuate See: Arcuate nucleus
- A (adenine) In genetics, A stands for adenine, one member of the A-T (adenine-thymine) base pair in DNA. The other base…
- Reiki ('RAY-kee') A Japanese word representing Universal Life Energy. Reiki is based on the belief that when…
- Central At or near the center. In anatomy and medicine (as elsewhere), central is the opposite of 'peripheral' which…
- Zinc finger protein 9 See: ZNF9
- Arthritis, psoriatic Joint inflammation associated with psoriasis