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).
Peptic ulcer
Peptic ulcer: A hole in the lining of the stomach, duodenum, or esophagus. A peptic ulcer of the stomach is called a gastric ulcer, an ulcer of the duodenum is a duodenal ulcer, and a peptic ulcer of the esophagus is an esophageal ulcer. A…
Read the definitionRandom terms
Show more- Primary progressive aphasia An atypical dementia characterized by a relentless dissolution of language with memory relatively preserved…
- Maternal myasthenia gravis Myasthenia gravis: The presence of myasthenia gravis in a pregnant woman. Myasthenia gravis is an autoimmune…
- Interventricular foramen An opening between the lateral and third ventricles in a system of four communicating cavities within the…
- Pachy- (prefix) Thick. As in pachydactyly (thick fingers), pachydermatous (thick fingers) and pachyonychia (thick nails)…
- Hypotonic solution A solution with a lower salt concentration than in normal cells of the body and the blood. As opposed to an…
- Node, AV AV node: The AV node (AV stands for atrioventricular) is an electrical relay station between the atria (the…
- Mountain sickness >If possible, don't fly or drive to high altitude. Start below 10,000 feet (3,048 meters) and walk up. >If…
- Hyperhidrosis, axillary See: Axillary hyperhidrosis
- Meningitis, bacterial Inflammation of the meninges due to a bacterial infection. Haemophilus influenzae type b (Hib) was the…
- Ossicle Any small bone, such as the tiny bones within the human ear
- Danon disease A genetic disorder characterized by heart problems, mental retardation and muscle weakness that affects males…
- Turner syndrome Turner syndrome: A chromosome disorder in females that is characterized by the absence of all or part of a…