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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Abdominal aneurysm
An aneurysm situated within the abdomen (belly). 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…
Read the definitionRandom terms
Show more- SGPT Serum glutamic pyruvic transaminase, an enzyme that is normally present in liver and heart cells. SGPT is…
- Nephrectomy The surgical removal of a kidney. A nephrectomy can be radical, simple, or partial. The kidney, the adrenal…
- DNA sequence The precise ordering of the bases (A,T,G,C) from which the DNA is composed. DNA sequencing involves…
- Slake 1. To satisfy or quench. As, for example, she drank some water to slake her thirst. 2. To mix with water, to…
- Venereal Having to do with sexual contact. The word venereal comes from Venus, the Roman goddess of love. A venereal…
- Neonatal mortality rate The number of children dying under 28 days of age divided by the number of live births that year. The…
- Barotitis Middle ear problems due to changing atmospheric pressures, as when a plane descends to land. The problems…
- Athetosis Involuntary writhing movements particularly of the arms and hands.
- Stomach cancer Stomach cancer: Cancer of the stomach, the main organ that holds food for digestion. Worldwide, stomach…
- Tonometry Tonometry: A standard eye test that determines the fluid pressure inside the eye. Increased pressure is a…
- Dextrocardia The heart is reversed and is in the right side of the chest rather than in its normal location on the left…
- Fatty acid, trans An unhealthy substance, also known as trans fat, made through the chemical process of hydrogenation of oils…