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, 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.
Read the definitionRandom terms
Show more- Foot, athlete A skin infection caused by a fungus called Trichophyton which can thrive and infect the upper layer of the…
- Peptidase An enzyme that can break down a peptide into its component amino acids
- Nail grooves See: Beau's lines
- PEP The abbreviation PEP stands for a number of things in medicine including post-exposure prophylaxis…
- Meningitis, viral Inflammation of the meninges (the tissues that cover the brain and spinal cord) caused by a virus, usually…
- Black eye Bruising of the eyelid and/or under- eye area as a result of trauma to the eye. Colloquially called a shiner
- Deinococcus radiodurans A bacterium that can survives extremely high levels of radiation and therefore has high potential for…
- CT, electron beam Also known as Ultrafast CT (computerized tomography), this is a new (and controversial) noninvasive test for…
- Venereal Having to do with sexual contact. The word venereal comes from Venus, the Roman goddess of love. A venereal…
- Hepatocarcinoma Carcinoma (a form of cancer) that originates in liver cells. Hepatocarcinoma is better known today as…
- Pleural effusion, fetal See: Fetal pleural effusion
- Anthophobia An abnormal and persistent fear of flowers. Sufferers experience anxiety even though they realize they face…