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).
Epidemic
The occurrence of more cases of a disease than would be expected in a community or region during a given time period. A sudden severe outbreak of a disease such as SARS. From the Greek 'epi-', 'upon' + 'demos', 'people or population' =…
Read the definitionRandom terms
Show more- Chromatophobia An abnormal and persistent fear of money. Sufferers experience undue anxiety even though they realize their…
- Colitis, pseudomembranous Severe inflammation of the inner lining of the colon due usually to the clostridium difficile (C.difficile)…
- Splenic artery A large artery within the abdomen that arises from an arterial vessel called the celiac trunk, which emerges…
- Dysphonia See: Spasmodic dysphonia.
- Agnosia The inability to recognize and identify objects or persons despite having knowledge of the characteristics of…
- Test, stress echocardiography A supplement to the routine exercise cardiac stress test. During stress echocardiography, the sound waves of…
- Immunity, acquired See: Acquired immunity
- Testing, anonymous Testing in which no name or other means is used to identify the person tested. There is total anonymity. For…
- Disease, mad deer See Chronic wasting disease
- Multipara, grand The term 'multipara' applies to any woman who has given birth 2 or more times. A woman who has given birth 5…
- Progressive supranuclear palsy Progressive supranuclear palsy: A neurologic disorder of unknown origin that gradually destroys cells in many…
- Nicotine Nicotine: An alkaloid (a nitrogen-containing chemical) made by the tobacco plant or produced synthetically…