MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Pancreatic beta cell
A type of cell in the pancreas that makes insulin. The pancreas is a fish-shaped organ that stretches across the back of the abdomen behind the stomach. Within the pancreas there are areas that are called the islets of Langerhans. The beta…
Read the definitionRandom terms
Show more- JEB (junctional epidermolysis bullosa) See: Junctional epidermolysis bullosa
- Hypotensive Having abnormally low blood pressure (hypotension). See also: Hypertensive; Normotensive
- Tumor debulking Surgically removing as much of the tumor as possible
- Disease, Kostmann A condition with a lack of neutrophils (a type of white blood cell that is important in fighting infection)…
- Aden- See: Adeno-
- Hyperekplexia A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction)…
- Neisseria infection See: Meningococcal infection
- Incest Sexual activity between individuals so closely related that marriage is prohibited. Incest involving a child…
- Prior approval See: Prior authorization
- Alternating hemiplegia of childhood A rare neurological disorder with frequent temporary episodes of paralysis of one side of the body…
- Hand-foot-and-mouth disease A viral syndrome with a rash on the hands and feet and in the mouth. The internal rash (the enanthem)…
- Dystonia, Segawa Dystonia, Segawa: An important variant form of dopa-responsive dystonia (DRD). DRD typically begins in…