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).
Mydriasis
Dilation of the pupils induced by eyedrops. The opposite of miosis.
Read the definitionRandom terms
Show more- Recur To occur again. To return. Any symptom (such as fatigue), any sign (such as a heart murmur), or any disease…
- Tuber A lump or bump. The backward protrusion of the heel is called the tuber calcanei or, alternatively, the…
- Chewing tobacco Tobacco that is chewed, not smoked. A form of smokeless tobacco. Chewing tobacco and snuff are the two main…
- Transjugular, intrahepatic, portosystemic shunt S): A shunt (tube) placed between the portal vein which carries blood from the intestines to the liver and…
- Zinc acetate A form of zinc that has been used as an emetic
- Factor V Leiden A genetic disorder of blood coagulation (clotting) that carries an increased risk of venous thromboembolism…
- Saliva A watery secretion in the mouth produced by the salivary glands that aids in the digestion of food. Saliva…
- Armed tapeworm Taenia solium
- Coronal A coronal plane through the body is a vertical plane from head to foot and parallel to the shoulders
- Anovular Not accompanied by ovulation, the release of an ovum (egg) from the ovary. Synonymous with anovulatory
- Tubal occlusion procedure, selective (STOP) A nonsurgical form of permanent birth control in which a physician inserts a 4-centimeter (1.6 inch) long…
- MPS Abbreviation for mucopolysaccharidosis