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).
Granulomatosis, Wegener's
An inflammatory disease of small arteries and veins (vasculitis) that classically involves vessels supplying the tissues of the lungs, nasal passages (sinuses), and kidneys. Symptoms include fatigue, weight loss, fevers, shortness of…
Read the definitionRandom terms
Show more- Left heart hypoplasia syndrome A form of congenital heart disease in which the whole left half of the heart (including the aorta, aortic…
- Degenerative joint disease Also known as osteoarthritis, this type of arthritis is caused by inflammation, breakdown and eventual loss…
- Blood pH The acidity or alkalinity of blood. The pH of any fluid is the measure of the hydrogen ion (H-)…
- Vaccine, oral polio See: Polio vaccine, oral
- Scan, radionuclide See: Radionuclide scan
- Syndrome, Eagle Inflammation of the styloid process, a spike-like projection sticking off the base of the skull. The tissues…
- TNFRSF6 Tumor necrosis factor receptor superfamily, member 6. Also called FAS. See: FAS gene
- MHC Major histocompatibility complex
- Femoral Having to do with the femur or, less often, the thigh. As in the femoral head (the head of the femur), the…
- Muscle, heart A type of muscle with unique features only found in the heart. The heart or cardiac muscle is medically…
- LAAM Levo-alpha acetyl methadol, an alternative to methadone that blocks the effects of opiates for up to 72 hours…
- Tomograph The apparatus for generating a tomogram, a two-dimensional image of a slice or section through a…