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).
Hand, foot, and mouth disease
A common illness of infants and children under 10 years old characterized by fever, sores in the mouth, and a rash with blisters due to infection most commonly with coxsackievirus A16 or less often enterovirus 71 or another enterovirus…
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Show more- Oral cholecystogram Oral cholecystogram: Abbreviated OCG. An x-ray procedure for diagnosing gallstones. The patient takes…
- Eye, dry See: Dry eye
- Carotid endarterectomy Endarterectomy (a surgical procedure designed to clean out material occluding an artery) done on the carotid…
- Blister, blood A blister full of blood due to a pinch, bruise or repeated friction. A blister is medically termed a vesicle…
- Vocal cord paralysis Vocal cord paralysis:bility of one or both vocal folds (vocal cords) to move. The paralysis is usually due to…
- Poland syndactyly A unique pattern of one-sided malformations characterized by a defect of the chest (pectoralis) muscle on one…
- Thimerosal A mercury-containing preservative used in some vaccines and other products since the 1930's. No harmful…
- Quality adjusted life year (QALY) A year of life adjusted for its quality or its value. A year in perfect health is considered equal to 1.0…
- XXXX syndrome A chromosome disorder in females caused by the presence of four X chromosomes rather than the usual two. The…
- RPR test Rapid plasma reagin, a blood test for syphilis that looks for an antibody that is present in the bloodstream…
- Mortality rate, fetal The ratio of fetal deaths to the sum of the births (the live births + the fetal deaths) in that year. In the…
- TGF Transforming growth factor