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).
Atherectomy
A procedure for opening up an artery by removing the plaque (atheroma) produced by the build-up of cholesterol and other fatty substances in the inner lining of the artery from atherosclerosis ('hardening of the arteries'). Atherectomy is…
Read the definitionRandom terms
Show more- Medication 1. A drug or medicine. 2. The administration of a drug or medicine. (Note that 'medication' does not have the…
- Seven-day measles An acute highly contagious viral disease with fever, runny nose, cough, red eyes, and a spreading skin rash…
- Obesity, exogenous Overweight caused by consuming more food than the person's activity level warrants, leading to increased fat…
- Gene, marker A detectable genetic trait or segment of DNA that can be identified and tracked. A marker gene can serve as a…
- Oswald Theodore Avery See: Avery, Oswald Theodore
- Migrainous neuralgia A distinctive syndrome of headaches, today better known as cluster headache. There are two main clinical…
- Peyronie disease A syndrome of craniosynostosis (premature fusion of the cranial sutures) due to mutation in FGFR (fibroblast…
- Ciliary body Part of the eye, the ciliary body is a thin vascular (blood vessel-filled) middle layer of the eye that is…
- Oogenesis The process of egg formation. The second 'o' in oogenesis is pronounced separately from the first…
- Genome, chicken See: Chicken genome
- Saturated fat A fat that is solid at room temperature and comes chiefly from animal food products. Some examples are…
- Radiation, background See: Background radiation