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).
Arterial aneurysm
An outpouching (aneurysm) of an artery. As opposed to a venous or cardiac aneurysm. 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…
Read the definitionRandom terms
Show more- BP Commonly used abbreviation for blood pressure. On a medical chart, you might see 'BP90/60 T98.6 Ht60/reg…
- Biopsy, breast See: Breast biopsy
- Spur, heel A bony spur projecting from the back or underside of the heel that often makes walking painful. Spurs at the…
- Cone snail A fishing-eating snail (Conidae) that inhabits tropical coral reefs and produces toxins that immobilize their…
- Film, tear See: Tear film
- Visual nerve pathways The optic nerves serving the eyes join behind the eyes just in front of the pituitary gland to form a…
- Heberden disease >Angina pectoris, chest pain that is often severe and crushing, due to an inadequate supply of oxygen to the…
- Estrogen-associated blood clots >esterified estrogens >esterified estrogens and methyltestosterone >estradiol >estrogens (conjugated) and…
- Syndrome, Alport See: Alport syndrome
- Jaundice, obstructive Jaundice caused by obstruction of the bile ducts, as with gallstones. Additional symptoms of obstructive…
- Portal vein A large vein that carries blood from the stomach and the intestines to the liver. The portal vein is formed…
- Anoscope An Anoscope is an instrument used for visualization of the anus and lowest portion of the rectum. An anoscope…