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).
Fingers, six
The presence of an extra finger, a very common congenital malformation (birth defect). This condition is called hexadactyly. The word hexadactyly literally means six digits. In medical usage, hexadactyly does not specify whether the six…
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Show more- Reed-Sternberg cell A type of cell that appears in patients with Hodgkin's disease. The number of these cells increases as the…
- Colorectal polyp A polyp (a fleshy growth) on the inside lining of the colon or rectum. For more information, see: Colon polyp
- Acute myocardial infarction A heart attack. The term 'myocardial infarction' focuses on the heart muscle, which is called the…
- Double-masked See: Double-blind
- Tonsil stone A tiny stone (calculus) in the tonsils. These stones, called tonsilloliths, are found within little pockets…
- Aneurysm, brain An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an…
- Cowper's gland Painful muscle spasms in the abdomen, arms, or legs following strenuous activity. The skin is usually moist…
- Prostate cancer gene Prostate cancer gene: One of the genes that influences the origin and/or progression of prostate cancer…
- Eyedrop test There are many types of eyedrops and many types of eyedrop tests. One of the most common eyedrop tests is…
- Juvenile polyposis An autosomal dominant disorder in which polyps develop throughout the gastrointestinal tract in the first…
- Capillaries Capillaries are the smallest of blood vessels. They serve to distribute oxygenated blood from arteries to the…
- Stickler syndrome, type III See: Stickler syndrome