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).
Aneurysm, atherosclerotic
See: Atherosclerotic aneurysm
Read the definitionRandom terms
Show more- ALS4 See: Amyotrophic lateral sclerosis 4
- Enema, barium See: Barium enema
- Arrhythmia, sinus The normal increase in heart rate that occurs during inspiration (when you breathe in). This is a natural…
- Scleroconjunctival Pertaining to both the sclera and the conjunctiva. The sclera, a tough white outer coat that covers most of…
- Ortholog A gene in two or more species that has evolved from a common ancestor. Also called an orthologous gene
- Blood-thinner A common name for an anticoagulant agent used to prevent the formation of blood clots. Blood-thinners do not…
- Syndrome, Down A common chromosome disorder due to an extra chromosome number 21 (trisomy 21). Down syndrome causes mental…
- Lymphoma, aggressive See: Aggressive lymphoma
- Spur, heel A bony spur projecting from the back or underside of the heel that often makes walking painful. Spurs at the…
- Glaucoma, risk factors If you belong to a high-risk group for glaucoma, have your eyes examined through dilated pupils every 2 years…
- Melanoma, ciliary body See: Intraocular melanoma
- Aortal Pertaining to the aorta, the largest artery in the body. Aortal is not often encountered (except in The New…