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.
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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).
Breast discharge
The spontaneous flow of fluid from the nipple at any time other than during nursing. This can be due to an unrecognized pregnancy, trauma, surgery, overexercise, or certain drugs. It can also be due to cirrhosis of the liver, false…
Read the definitionRandom terms
Show more- Femoral head, avascular necrosis of the See Legg-Calve-Perthes disease
- Sequelae See: Sequela
- Infection, hospital-acquired An infection caught while hospitalized. The medical term for a hospital-acquired infection is 'nosocomial.'…
- Erosion An erosion is an eating away of a surface. ('Erodere' in Latin means to eat out.) For example, a skin erosion…
- Alpha-defensin See: Defensin
- Chamber, anterior The space in the eye that is behind the cornea and in front of the iris. The cornea is the outer…
- Patent (adjective) Open, unobstructed, affording free passage. Thus, for example, the bowel may be patent (as opposed to…
- Amphetamine A drug with a stimulant effect on the central nervous system that can be both physically and psychologically…
- Refsum disease A genetic disorder affecting the metabolism of the fatty acid phytanic acid. When phytanic acid accumulates…
- Malleolus Bony prominence on either side of the ankle.
- Disease, Stein-Leventhal >Irregular or no periods >Acne >Obesity, and >Excess hair growth. All women with PCO have irregular or no…
- Tarsal tunnel syndrome A type of compression neuropathy (nerve disease due to compression of the nerve) in the ankle and foot…