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).
Zollinger-Ellison syndrome
A rare disorder caused by a tumor called a gastrinoma, most often occurring in the pancreas. The tumor secretes the hormone gastrin, which causes increased production of gastric acid leading to severe recurrent ulcers of the esophagus…
Read the definitionRandom terms
Show more- Blue baby A baby who is cyanotic (blue), due usually to a heart malformation that prevents the baby's blood from being…
- Bones of the leg, ankle and foot Are 62 lower extremity bones. They consist of 10 hip and leg, 14 ankle and 38 foot bones. > >The 10 hip and…
- Moisturize To dampen; to replenish lost liquid; to add vapor; to humidify. 'Moisturize' usually suggests that the thing…
- Familial Parkinson disease type 3 A familial form of Parkinson disease inherited in an autosomal dominant manner due to a gene on chromosome…
- Catecholamine Pronounced cat·e·chol·amine. An amine derived from the amino acid tyrosine -- examples include epinephrine…
- Amnesia, anterograde See: Antegrade amnesia
- Gastric outlet obstruction Any disease that mechanically impedes gastric emptying, the normal emptying of the stomach. There is…
- Pyrophosphate arthropathy Joint damage due to deposition of calcium pyrophosphate. Pyrophosphate arthropathy most commonly affects the…
- Presenteeism The problem of workers being on the job but, because of medical conditions, not fully functioning. The health…
- Tarsus, bony See: Bony tarsus
- Gram stain The Danish bacteriologist J.M.C. Gram (1853-1938) devised a method of staining bacteria using a dye called…
- St. Anthony's fire The intensely painful burning sensation in the limbs and extremities caused by ergot, the consequence of a…