MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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, miliary
An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an aneurysm, there is typically a bulge and the wall is weakened and may rupture. The word 'aneurysm' comes from the Greek 'aneurysma'…
Read the definitionRandom terms
Show more- Granulomatosis, allergic A disease (also more commonly called the Churg-Straus syndrome) characterized by inflammation of the blood…
- Carotenemia Temporary yellowing of the skin due to excessive beta carotene in the diet. The offending substance, beta…
- Paediatrics Pediatrics in Great Britain.
- CD4 count, absolute See: Absolute CD4 count
- Cerebral hemispheres The two halves of the cerebrum, the largest part of the brain.
- RFA Radiofrequency ablation
- Regional lymphadenitis Cat scratch disease, a mild flu-like infection, with swollen lymph nodes (lymphadenitis) and mild fever of…
- Paraparesis Weakness of the lower extremities
- Juvenile retinoschisis A genetic disease of the eye characterized by retinoschisis (splitting of the retina) symmetrically involving…
- Medical journals In 1665 the Royal Society in England published one of the first 2 scientific journals in the world: the…
- Microbe A very tiny form of life -- microbes include bacteria, fungi, and protozoan parasites -- best visualized…
- Madelung disease A disorder characterized by painless symmetrical diffuse deposits of fat beneath the skin of the neck, upper…