MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Encephalitis
Inflammation of the brain. Encephalitis occurs, for example, in 1 in 1,000 cases of measles. It may start (up to 3 weeks) after onset of the measles rash and present with high fever, convulsions, and coma. It usually runs a blessedly short…
Read the definitionRandom terms
Show more- Acyclovir Acyclovir: (Brand name: Zovirax) One of a group of antiviral drugs that acts against the herpes viruses…
- Shigella Epidemic and opportunistic bacillary dysentery due to infection with the Shigella bacteria. Shigellosis…
- NSE (neuron-specific enolase) Neuron-specific enolase (NSE) is a substance that has been detected in patients with certain tumors, namely…
- Computed tomography colography See: Virtual colonoscopy
- Angina Angina: Chest pain due to an inadequate supply of oxygen to the heart muscle. The chest pain of angina is…
- Cage, thoracic The structure formed by the thoracic vertebrae and ribs, the sternum (breastbone), and the costal cartilages…
- Niemann-Pick disease type A The classical infantile form of the disease. See: Niemann-Pick disease
- Pheresis Procedure in which the blood is filtered, separated, and a portion retained, with the remainder being…
- Bursitis 4 cel ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%' bgColor=#ffffff>Our Bursitis Main…
- Serial amnioreduction The repeated removal of large volumes of amniotic fluid by amniocentesis. The rationale for serial…
- Twelfth cranial nerve The hypoglossal nerve. The twelve cranial nerves, including the hypoglossal nerve, emerge from or enter the…
- Thrombin A key clot promoter, thrombin is an enzyme that presides over the conversion of a substance called fibrinogen…