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).
Gastric outlet obstruction
Any disease that mechanically impedes gastric emptying, the normal emptying of the stomach. There is obstruction of the channel of the pylorus and duodenum through which the stomach empties. The cause of the obstruction may be a benign or…
Read the definitionRandom terms
Show more- Peripheral insulin resistance Failure of target tissues to increase glucose disposal in response to insulin. See also: Insulin resistance
- Multifactorial inheritance The type of hereditary pattern seen when there is more than one genetic factor involved and, sometimes, when…
- Familial Mediterranean fever (FMF) An inherited disorder featuring short recurring crises of severe abdominal pain and bouts of fever. Other…
- Hobbit Nickname for the Flores man (Homo floresiensis). Derived from the fictional race from J. R. R. Tolkien's…
- Rash, chickenpox Rash, chickenpox: Chickenpox is characterized by a rash, often the first sign of the disease. The rash of…
- Nude mice See: Nude mouse
- Perchloric acid See: Perchlorate
- Nucleic acid >DNA (deoxyribonucleic acid) which contains the hereditary information in humans and >RNA (ribonucleic acid)…
- Albinism A group of genetic disorders in which there is partial or total lack of the pigment melanin in the eyes…
- Temporomandibular joint (TMJ) The joint that hinges the lower jaw (mandible) to the temporal bone of the skull. It is one of the most…
- Lactose The sugar found in milk. The body uses the enzyme lactase to break down lactose into galactose and glucose
- Retinal vein, central The blood vessel that carries blood away from the retina of the eye. The counterpart to the central retinal…