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).
Medication, generic
Drugs that act as blood vessel dilator (vasodilators) and open vessels by relaxing their muscular walls). For example, nitroglycerin is a vasodilator. So are the ACE (angiotensin converting enzyme) inhibitors.
Read the definitionRandom terms
Show more- Ed Lewis Estimated date of confinement, the estimated calendar date when the baby will be born.
- Moonflower An hallucinogenic but poisonous plant known scientifically as Datura that has white flowers that bloom at…
- DIDMOAD An acronym that stands for Diabetes Insipidus (inability to concentrate the urine), Diabetes Mellitus, Optic…
- Blue baby operation A surgical procedure for a baby who is cyanotic (blue) due to a heart malformation that prevents blood from…
- Chinese medicine See: Traditional Chinese medicine
- Penetrance The likelihood a given gene will result in disease. For example, if half (50%) of the people with the…
- Clitoridectomy See Clitorectomy
- Acoustic neurofibromatosis See: Neurofibromatosis type 2
- Biliary atresia Congenital absence or closure of the major bile ducts, the ducts that drain bile from the liver. Biliary…
- MDMA Abbreviation for 3-4 methylenedioxymethamphetamine. See: Ecstasy
- Noncompliance The failure or refusal to comply: the failure or refusal to conform and adapt one's actions to a rule or to…
- Cytotoxic T-lymphocyte A T cell that is antigen-specific and is able to search out and kill specific types of virus-infected cells…