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).
Glisson's capsule
The capsule of the liver. A layer of connective tissue surrounding the liver and ensheathing the hepatic artery, portal vein, and bile ducts within the liver. Named for the British physician, anatomist, physiologist, and pathologist…
Read the definitionRandom terms
Show more- Presentation, breech Birth in which the buttocks present before the head
- Brain anthrax Anthrax infection of the central nervous system (the spinal cord and brain) and meninges (the membranes…
- Rejection In transplantation biology, the refusal by the body to accept transplanted cells, tissues or organs. For…
- Category three hurricane A hurricane with winds 111-130 mph (96-113 kt or 178-209 km/hr). Storm surge generally 9-12 ft above normal…
- Bradycardia A slow heart rate, usually defined as less than 60 beats per minute. The word bradycardia is logically…
- Nitrosoureas A group of cancer drugs called alkylating agents because they act by the process of alkylation to inhibit DNA…
- Hepatic- A combining form used before a vowel to indicate a relationship to a hepatic duct or the liver. From the…
- Cardiac stress testing, exercise The exercise cardiac stress testing (ECST) is the most widely used cardiac (heart) screening test. The…
- Liver cancer, childhood See: Childhood liver cancer
- Muscle, infraspinatus >The infraspinatus muscle; >The teres minor muscle, which (like the infraspinatus muscle) helps in the…
- Qualified health claim A claim authorized by the US Food and Drug Administration (FDA) that must be supported by credible scientific…
- Very low calorie diet (VLCD) The Very low calorie diet (VLCD) is a doctor-supervised weight loss plan that uses commercially prepared…