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).
Disease, kissing
Infectious mononucleosis ('mono'), a very common illness caused by the Epstein-Barr virus (EBV). By the time most people reach adulthood, an antibody against EBV can be detected in their blood meaning they have been infected with EBV. The…
Read the definitionRandom terms
Show more- Urinary calculus A stone in the urinary tract. The word 'calculus' in Latin means 'a pebble.' Pebbles were once used for…
- Aneurysm, cardiac Outpouching of an abnormally thin portion of the heart wall. An aneurysm is a localized widening (dilatation)…
- NCS Nerve conduction study. See: Nerve conduction velocity test
- Plague genome All of the DNA (the genome) of the bacterium Yersinia pestis that causes the plague, consisting of four rings…
- Gland, tarsal See: Meibomian gland
- Nine-day measles An acute highly contagious viral disease with fever, runny nose, cough, red eyes, and a spreading skin rash…
- Sopor Abnormally deep sleep, an unusually profound sleep, a stupor from which it is difficult to rouse a person…
- Diplopia, monocular Double vision (diplopia) in only one eye. The double vision persists when the other eye is covered. Monocular…
- Scleroconjunctival Pertaining to both the sclera and the conjunctiva. The sclera, a tough white outer coat that covers most of…
- Head lice Head lice> Pediculus humanus capitis, parasitic insects found on the heads of people. Head lice are most…
- Munchhausen by proxy See: Munchhausen syndrome by proxy
- Test, Denver Developmental Screening The Denver Developmental Screening Test (DDST) is a widely used assessment for examining children 0-6 years…