Pharmacologic Substance
vasodilator agent
Subclass of:
Cardiovascular Agents
Definitions related to vasodilator agents:
  • (vasodilator) A substance or condition that causes blood vessels to open wider and increase the flow of blood.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • (vasodilating agent) Any agent that causes widening of blood vessels as a result of smooth muscle relaxation.
    NCI
    U.S. National Cancer Institute, 2021
  • Drugs used to cause dilation of the blood vessels.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.