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, venous
An aneurysm involving a vein. As opposed to an arterial aneurysm or a 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…
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Show more- Watson, James American biologist (1928-) who, with Francis Crick and Maurice Wilkins, shared the 1962 Nobel prize in…
- Extrauterine Outside the uterus (the womb). As opposed to intrauterine: inside the uterus. For example, normal pregnancies…
- Little People of America An organization for people of short stature whose mission is to assist dwarfs with their physical and…
- Visceral pericardium The inner layer of the pericardium, a conical sac of fibrous tissue that surrounds the heart and the roots of…
- Olfactory Pertaining to olfaction, the sense of smell
- MB ChB Bachelor of Medicine and Bachelor of Surgery degrees. See: MBChB
- DNA, repetitive DNA sequences that are repeated in the genome. These sequences do not code for protein. One class termed…
- Passive smoking The inhaling of environmental tobacco smoke (ETS) by someone who is not smoking. See: ETS
- Smallpox vaccination adverse reaction An adverse event occurring after smallpox vaccination (vaccinia). Smallpox vaccination is a relatively safe…
- Pyrosis A technical term for what is popularly called heartburn, a burning sensation in the upper abdomen. In many…
- Human Genome Project International effort aimed at identifying and sequencing (ordering) all of the bases in the human genome…
- Sulfonamides The sulfa-related group of antibiotics, which are used to treat bacterial infection and some fungal…