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).
Vitamin K
One of two naturally occurring fat-soluble vitamins (vitamin K1 and vitamin K2) needed for the clotting of blood because of an essential role in the production of prothrombin (a clotting factor). The term vitamin A may also refer to a…
Read the definitionRandom terms
Show more- Toxic syndrome The ensemble of the signs and symptoms of the disorder resulting from exposure to a toxic agent. There are…
- Tinea barbae A superficial fungal infection of the skin, affecting the bearded area of the face and neck, with swellings…
- Feeding, breast See: Breastfeeding
- NEI Stands for National Eye Institute, one of the US National Institutes of Health. NEI's mission is to 'conduct…
- Bypass, coronary See: Coronary artery bypass graft.
- Brown, Louise The world's first test-tube baby, conceived by in vitro fertilization and born on July 25, 1978
- Minocin Brand name for minocycline
- Granny-cam See: Granny cam
- Strain 1. An injury to a tendon or muscle resulting from overuse or trauma. 2. A hereditary tendency that originated…
- APM1 Adipose most abundant gene transcript 1. (AdiPose Most abundant gene transcript 1 = APM1.) The APM1 gene…
- Anaerobic Not requiring oxygen. Anaerobic bacteria do not need oxygen to grow; in fact, oxygen is usually toxic to…
- HMS1 Homosexuality 1. An alleged gene for human male homosexuality. See: Gay gene