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).
Shot, flu
The flu (influenza) vaccine is recommended annually (each year) for persons at high risk for serious complications from influenza virus infection. Those include: > >Everyone age 65 or more; >People with chronic diseases of the heart…
Read the definitionRandom terms
Show more- Hand-arm vibration syndrome A disorder resulting from prolonged exposure to vibration, specifically to the hands and forearms while using…
- Electroshock therapy See Electroconvulsive therapy
- Heparin An anticoagulant (anti-clotting) medication. Heparin is useful in preventing thromboembolic complications…
- HNPCC Hereditary nonpolyposis colon cancer
- Twenty-twenty Perfectly normal vision. From the ability to score 20/20 on the test of visual acuity with the eye chart…
- Coprolalia The excessive and uncontrollable use of foul or obscene language, including words related to feces (bowel…
- Tongue tie A minor congenital anomaly (birth defect) in which the flap of mucous membrane under the tongue (known as the…
- Psychiatry The medical specialty concerned with the prevention, diagnosis, and treatment of mental illness…
- Major A major may be an officer in the military but, in a larger sense, it can be anything that is more than…
- Vaginal contraceptive sponge A contraceptive device that is donut-shaped, made of plastic, contains a spermicide (nonoxynol-9) and is…
- Extracorporeal shockwave lithotripsy See: Extracorporeal shock wave lithotripsy
- Episclera A thin membrane that covers the sclera (the white of the eye). 'Epi-' is a prefix from the Greek that means…