Organ or Tissue Function
vasodilation Audio
vas·o·di·la·tion
Subclass of:
Hemodynamics
Definitions related to vasodilation:
  • A widening of the blood vessels that results in increased blood flow.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • An increase in the internal diameter of blood vessels, especially arterioles or capillaries, due to relaxation of smooth muscle cells that line the vessels, and usually resulting in a decrease in blood pressure.
    Gene Ontology Dictionary
    Gene Ontology Consortium, 2021
  • Physiologic dilation of the blood vessels without anatomic change.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • The physiological widening of BLOOD VESSELS by relaxing the underlying VASCULAR SMOOTH MUSCLE.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • Vasodilation involves widening of a blood vessel lumen due to smooth muscle relaxation in the vessel wall and leads to increased blood flow.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • (vasodilatation) Widening of a blood vessel lumen due to smooth muscle relaxation in the vessel wall and leads to increased blood flow.
    U.S. FDA Glossary
    U.S. Food & Drug Administration, 2021
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