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).
Effect, founder
A population group with an unusual frequency of a gene due to there having been only a small number of original members ('founders') one or more of whom had that gene. For example, the gene for Huntington disease was introduced into the…
Read the definitionRandom terms
Show more- Goldring, Sidney Polish-born American neurosurgeon who pioneered the surgical treatment of epilepsy. Beginning in the 1970s…
- Bicuspid Having two flaps or cusps. The heart valve that is called the bicuspid valve is located between the left…
- Abdominal aortic aneurysm Our Abdominal aortic aneurysm Main Article provides a comprehensive look at the who, what, when and how of…
- CALLA Common acute lymphocytic leukemia antigen. See: Metallomembrane endopeptidase
- Runny nose Rhinorrhea is the medical term for this common problem. From the Greek words 'rhinos' meaning 'of the nose'…
- Stone, tonsil A tiny stone (calculus) in the tonsils. These stones, called tonsilloliths, are found within little pockets…
- Amyotrophic lateral sclerosis 6 ALS6. A form of amyotrophic lateral sclerosis (ALS) inherited in an autosomal dominant manner due to mutation…
- Spinal cord The major column of nerve tissue that is connected to the brain and lies within the vertebral canal and from…
- Cholesterol ester transfer protein A protein that helps regulate the size of cholesterol particles and influence the process of atherogenesis…
- Artificial insemination A procedure in which a fine catheter (tube) is inserted through the cervix (the natural opening of the…
- Tuberculin A protein extracted from Mycobacterium tuberculosis that is used in a skin test to determine if a person has…
- Aortic aneurysm An outpouching (a local widening) of the largest artery in the body, the aorta, involving that vessel in its…