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).
Cancer, melanoma
A skin cancer that begins in cells called melanocytes that can grow together to form benign (not cancerous) moles. A change in size, shape, or color of a mole can be a sign of melanoma. It can be cured if detected early, before spread…
Read the definitionRandom terms
Show more- Artificial heart A manmade heart. An artificial heart was temporarily implanted in 1969 by Denton Cooley in Houston, Texas…
- Caution codes, drug Abbreviations on medications that indicate caution. While not a part of the historical heritage of ancient…
- Fear of closed spaces Fear of closed spaces, of being closed in or being shut in as in elevators, tunnels, or any other small…
- Alcohol, pregnancy The consumption of alcohol during pregnancy carries the danger of damaging the fetus.
- Familial eosinophilia An autosomal dominant condition characterized by an abnormally high level of eosinophils in the blood…
- Tablespoon An old-fashioned but convenient household measure of capacity. A tablespoon holds about 3 teaspoons, each…
- Bruce protocol A standardized multistage treadmill test for assessing cardiovascular health, The test was developed and…
- Strep test, rapid A diagnostic test commonly used to demonstrate whether streptococcus bacteria ('strep') are present in the…
- Osteodystrophy Osteodystrophy: A bone disorder that adversely affects bone growth. See also renal osteodystrophy.
- Ear, middle There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The middle…
- Syndrome, Witkop A genetic disorder characterized by the absence of several teeth at birth and abnormalities of the nails. The…
- Von Hippel-Lindau syndrome A genetic disease characterized by: > >hemangioblastomas (benign blood vessel tumors) in the brain, spinal…