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).
Angiotensin II receptor blocker
A medication that blocks the action of angiotensin II, permitting the blood vessels to relax and dilate (widen), which lowers the blood pressure. Abbreviated ARB. ARBs are used to control high blood pressure (hypertension), treat heart…
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Show more- Cramps, heat Painful muscle spasms in the abdomen, arms, or legs following strenuous activity. The skin is usually moist…
- Hypocalcemia Lower-than-normal blood calcium. Low blood calcium makes the nervous system highly irritable with tetany…
- Fridayitis A perplexing condition that suddenly strikes some workers and students on Friday and leads to their absence…
- Dysuria Painful or difficult urination. This includes burning on urination. Dysuria is most commonly due to bacterial…
- Syndromatic hepatic ductular hypoplasia Also called Alagille syndrome or arteriohepatic dysplasia, this is a genetic disorder characterized by…
- Newborn screening Tests of newborns to screen for serious treatable diseases most of which are genetic. The newborn screening…
- Sitosterolemia A genetic disease involving lipids (fats) in which there is excessive intestinal absorption of dietary…
- Eyelid myokymia Fine continuous contractions of the eyelid muscle, typically involving one of the lower eyelids, less often…
- Machine, continuous passive motion machine A machine used to help rehabilitate a limb (an arm or leg). The continuous passive motion (CPM) machine is…
- Congenital deafness and retinitis pigmentosa (Also called Usher syndrome.) A genetic disorder characterized by hearing impairment and an eye disorder…
- Polyubiquitination The binding of many ubiquitin molecules to the same target protein. Polyubiquitination of proteins is the…
- Amnesia, transient global See: Transient global amnesia.