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).
Labia, oral
The lips around the mouth. See lip.
Read the definitionRandom terms
Show more- Syncope, heat Sudden dizziness or fainting experienced after exercising in the heat. The skin appears pale and sweaty but…
- Ileum The lowest part of the small intestine, located beyond the duodenum and jejunum, just before the large…
- Syndrome, long QT See Long QT syndrome
- Benign prostatic hyperplasia See: Benign prostatic hyperplasia.
- Warts, plantar Warts that grow on the soles of the feet. Plantar warts are different from most other warts. They tend to be…
- Trans fat An unhealthy substance, also known as trans fatty acid, made through the chemical process of hydrogenation of…
- Disease, sixth A viral disease of infants and young children with sudden onset of high fever which lasts several days and…
- Mydriasis Dilation of the pupils induced by eyedrops. The opposite of miosis.
- Vein, great saphenous The larger of the two saphenous veins, the principal veins that run up the leg superficially (near the…
- Glucose, fasting blood Glucose, fasting blood: A method for learning how much glucose (sugar) there is in a blood sample taken after…
- Braille system A system of raised-dot writing devised by Louis Braille (1809-1852) for the blind in which each letter is…
- Menstrual cycle The monthly cycle of changes in the ovaries and the lining of the uterus (endometrium), starting with the…