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).
Black Death
The Medieval black plague that ravaged Europe and killed a third of its population. It was due to the plague which is caused by a bacterium (Yersinia pestis) transmitted to humans from infected rats by the oriental rat flea. In…
Read the definitionRandom terms
Show more- Foreskin, tight See Phimosis
- Retrospective Looking backward on the past, on what has already taken place. A retrospective study looks backward in time…
- Prosthesis An artificial substitute or replacement of a part of the body such as a tooth, eye, a facial bone, the…
- Pee An informal term for piss, meant to lessen its vulgarity, but synonymous with it
- Fever, Lassa See: Lassa fever
- Hepatic artery See: Liver biopsy.
- Bone, frontal See: Frontal bone
- Sclero- Pertaining to both the sclera and the conjunctiva. The sclera, a tough white outer coat that covers most of…
- XTC A street name for 3-4 methylenedioxymethamphetamine. See: Ecstasy
- Artemisinin An antimalarial agent extracted from the dry leaves of the Chinese herb Artemsisia annua (qinghaosu or sweet…
- Node, sinus The sinus node is one of the major elements in the cardiac conduction system, the system that controls the…
- Y chromatin A brilliantly fluorescent body seen under the microscope in cells containing a Y chromosome when the cells…