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).
Prion
A disease-causing agent that is neither bacterial nor fungal nor viral and contains no genetic material. A prion is a protein that occurs normally in a harmless form. By folding into an aberrant shape, the normal prion turns into a rogue…
Read the definitionRandom terms
Show more- Intelligence test A questionnaire or series of exercises designed to measure intelligence. It is generally understood that…
- Refract In ophthalmology, to determine the bending of light that takes place within the human eye. Refractive errors…
- Glucosamine A molecule derived from the sugar glucose by the addition of an amino (NH2) group, glucosamine is a component…
- BMP Bone morphogenetic protein
- Juvenile melanoma See: Melanoma, juvenile
- Brain plasticity See Neuroplasticity
- Juxtavesicular Near the bladder. From juxta-, meaning near, nearby, or close + vesicular, referring to the bladder (the…
- Fibrillation In matters of the heart (cardiology), fibrillation is incoordinate twitching of the heart muscle fibers. The…
- MALT Mucosa-associated lymphoid tissue.
- Center for Devices & Radiological Health Abbreviated CDRH. Part of the FDA (the US Food & Drug Administration)
- Ovarian remnant syndrome Pelvic pain due to leftover ovarian tissue after removal of the ovaries and fallopian tubes. Ovarian remnant…
- Arteriohepatic dysplasia Also known as Alagille syndrome, this ia a genetic disorder characterized by jaundice in the newborn period…