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).
Mitral insufficiency
Incomplete closure of the mitral valve resulting in the backflow of blood from the left ventricle to the left atrium of the heart.
Read the definitionRandom terms
Show more- Sex-determining region, Y See: Y sex-determining region
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- Bubonic plague The most common form of the plague, named for the characteristic buboes -- buboes are enlarged lymph nodes…
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- Health for All A global health movement undertaken by the World Health Organization (WHO) in the late 20th century. In 1977…
- SARS Severe acute respiratory syndrome. A severe form of pneumonia which appeared in outbreaks in 2003. See…
- William Dobelle A genetic disorder characterized by mild mental retardation, unique personality characteristics, unusual…
- Nerve, olfactory See: Olfactory nerve
- Spleen, ruptured Rupture of the capsule of the spleen is a potential catastrophe that requires immediate medical and surgical…
- Interventional Pertaining to the act of intervening, interfering or interceding with the intent of modifying the outcome…