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).
Disease, Hirschsprung
A congenital abnormality (birth defect) of the bowel in which there is absence of the ganglia (nerves) in the wall of the bowel. Nerves are missing starting at the anus and extending a variable distance up the bowel. This results in…
Read the definitionRandom terms
Show more- Bubble boy disease Severe combined immunodeficiency disease
- Hypoglossal neuropathy Disease of the hypoglossal nerve, the twelfth cranial nerve. The twelve cranial nerves, the hypoglossal nerve…
- Fear of the dark Pathological fear of the dark, an abnormal and persistent dread of the dark. Sufferers experience undue…
- Hydrocarbon An organic compound composed exclusively of hydrogen and carbon. All hydrocarbons have a carbon backbone with…
- Bowel sounds The gurgling, rumbling, or growling noises from the abdomen caused by the muscular contractions of…
- COL2A1 The gene responsible for the production of the alpha1(II) chain of type II collagen. Mutations in the COL2A1…
- Hyperglycemic response A response resulting in a high blood sugar and specifically elevating the level of the sugar glucose in the…
- Tooth root sensitivities Oversensitivity of exposed roots of teeth to cold, hot, and sour foods because those roots are no longer…
- Prelingual Before the development of speech and language. 'She showed that in prelingually deaf people (that is, those…
- McClintock See: McClintock, Barbara
- Blindness, legal See: Legal blindness
- Isotonic solution A solution that has the same salt concentration as the normal cells of the body and the blood. As opposed to…