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).
Osteosarcoma
A cancer of the bone that occurs predominantly in adolescents and young adults. It accounts for 5 percent of cancer in children. The site of the osteosarcoma is the most important prognostic factor since it determines whether the tumor can…
Read the definitionRandom terms
Show more- Anisocoria Both pupils are usually of equal size. If they are not, that is termed anisocoria (from 'a-', not + 'iso'…
- Congestive heart failure Congestive heart failure: Inability of the heart to keep up with the demands on it and, specifically, failure…
- Central nervous system, spongy degeneration of the Also called Canavan disease, this is a severe progressive fatal inherited (genetic) disorder of the central…
- Bubo An enlarged lymph node ('swollen gland') that is tender and painful, particularly in the groin and armpit…
- Ambulatory care Medical care including diagnosis, observation, treatment and rehabilitation that is provided on an outpatient…
- Pre-eclampsia A condition in pregnancy characterized by abrupt hypertension (a sharp rise in blood pressure), albuminuria…
- KUB film An X-ray showing the kidney, ureter, and bladder. This is in reality a plain abdominal X-ray and includes…
- Cranial nerve, fourth The fourth cranial nerve, the trochlear nerve, is the nerve supply to the superior oblique muscle of the eye…
- Hernia, hiatus Protrusion of the stomach up into the opening normally occupied by the esophagus in the diaphragm, the great…
- Subacute spongiform encephalopathy See: Gerstmann-Straussler-Scheinker syndrome
- DEHP A softener for polyvinyl chloride (PVC), a plastic polymer used in a wide array of products. Unplasticized…
- M. marinum Mycobacterium marinum