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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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…
Read the definitionRandom terms
Show more- Disease, Vrolik's Osteogenesis imperfecta type II, an inherited connective tissue disorder with very severe bone fragility, the…
- Neuroradiology The field within radiology that specializes in the use of radioactive substances, x-rays and scanning devices…
- Bummed out Slang term for depression. For more, see: Depression
- Macro- (prefix) Prefix from the Greek 'makros' meaning large or long. Examples of terms involving macro- include macrobiotic…
- Specific developmental disorder A disorder that selectively affects one area of development, sparing essentially all other areas of…
- Electrogastrogram Electrogastrogram: An electrogastrogram is a study in which the electrical current generated by the muscle of…
- Ataxia-telangiectasia A progressive neurodegenerative genetic disease characterized by cerebellar ataxia (incoordination and lack…
- Adventitious Coming from an external source or occurring in an unusual place or manner. Not inherent, inherited or innate…
- Gamma-OH A European name for gamma hydroxybutyrate (GHB), a colorless and odorless drug used illicitly for…
- Nude mice See: Nude mouse
- Liver An organ in the upper abdomen that aids in digestion and removes waste products and worn-out cells from the…
- Family medicine Also called family practice. The medical specialty which provides continuing and comprehensive health care…