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).
Medication, vasodilator
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.
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Show more- Serendipity An accidental and fortunate discovery. Not all good medical research by any means is done by design. Some is…
- Infectious mononucleosis Infectious mononucleosis: A specific viral infection (with the Epstein-Barr virus) in which there is an…
- Iron excess Iron overload can damage the heart, liver, gonads and other organs. Iron overload is a particular risk for: >…
- Methyl-CpG-binding protein-2 (MECP2) An enzyme which, when mutated, results in RTT (Rett syndrome), a genetic disease that is a uniform and…
- SJS Stevens-Johnson syndrome.
- Melittin The principal toxic component in bee venom. Melittin is a relatively short peptide consisting of 26 amino…
- Lingual gyrus An area in the occipital lobe, the visual processing center in the brain. The lingual gyrus extends to the…
- Vascular dementia A common form of dementia in older persons that is due to cerebrovascular disease, usually with stepwise…
- Restless legs See: Restless leg syndrome
- Great pox Syphilis. An old name to distinguish it from the smallpox
- TSH receptor The receptor for thyroid stimulating hormone (TSH), which is also called thyrotropin. Encoded by a gene on…
- Cholesteryl ester transfer protein See: Cholesterol ester transfer protein