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).
Index, body mass (BMI)
An index that relates body weight to height. The body mass index (BMI) is obtained by dividing a person's weight in kilograms (kg) by their height in meters (m) squared. The National Institutes of Health (NIH) now defines normal weight…
Read the definitionRandom terms
Show more- Aneurysm, renal An aneurysm involving the kidney. An aneurysm is a localized widening (dilatation) of an artery, vein, or the…
- Therapy, hormone replacement (HRT) The combination therapy of estrogen plus progestogen, termed hormone replacement therapy (HRT). Estrogen…
- Diabetic coma Coma in a diabetic due to the buildup of ketones in the bloodstream. Ketones are a product of metabolizing…
- Test, exercise A test (sometimes called the treadmill test or exercise treadmill test) in which a continuous…
- Syndrome, Gerstmann-Straussler-Scheinker This condition is a primary problem of platelets in which the platelets lack the ability to stick adequately…
- Fibrillation, ventricular An abnormal irregular heart rhythm whereby there are very rapid uncoordinated fluttering contractions of the…
- Hypoplasia, syndromatic hepatic ductular Also called Alagille syndrome or arteriohepatic dysplasia, this is a genetic disorder characterized by…
- Postphlebitic syndrome See: Post-thrombotic syndrome
- Biofeedback A method of treatment that uses monitors to feed back to patients physiological information of which they are…
- Toxic shock syndrome A grave condition occurring predominantly in menstruating women using tampons, toxic shock is characterized…
- Longitudinal section A section that is cut along the long axis of a structure. The opposite is a cross section
- Abate To lessen or decrease. After a boil is lanced, the pus can drain and the pain and tenderness abate. From the…