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).
Colonoscopy
Colonoscopy: A procedure in which a long flexible viewing tube (a colonoscope) is threaded up through the rectum for the purpose of inspecting the entire colon and rectum and, if there is an abnormality, taking a biopsy of it or removing…
Read the definitionRandom terms
Show more- Metaphyseal chondrodysplasia (McKusick type) See: Cartilage hair hypoplasia syndrome
- Y-linkage The presence of a gene on the Y chromosome. Y-linkage is analogous to X-linkage (the presence of a gene on…
- Niemann-Pick disease type A The classical infantile form of the disease. See: Niemann-Pick disease
- Vaccination, varicella A live attenuated (weakened) viral vaccine that is recommended for people traveling to or living in tropical…
- GFAP Glial fibrillary acidic protein. The degenerative brain condition called Alexander disease is caused by…
- CB2 receptor See: Cannabinoid receptor 2
- Flu, stomach So-called 'stomach flu' actually has nothing to do with the influenza (flu) virus. This term is sometimes…
- Mononeuritis multiplex Inflammation of two or more nerves, typically in unrelated portions of the body. Mononeuritis multiplex…
- HSP Henoch-Schonlein purpura. See: Schonlein-Henoch purpura
- Allopathy The system of medical practice which treats disease by the use of remedies which produce effects different…
- Absence seizure A seizure that takes the form of a staring spell. The person suddenly seems to be 'absent.' An absence…
- Cotton rat A rodent capable of carrying the types of hantavirus that cause HPS (hantavirus pulmonary syndrome) in the…