Vasodilator

vasodilator /vaso·di·la·tor/ (-di-la´ter)

1. causing dilatation of blood vessels.

2. a nerve or agent that does this.

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va·so·di·la·tor (vz-d-ltr, -d-, -dl-)

n.

Something, such as a nerve or drug, that causes vasodilation.

adj.

Producing vasodilation.

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Vasodilator

An agent, such as a nerve or hormone, that widens the blood vessels, which in turn decreases resistance to blood flow and lowers blood pressure.

Mentioned in: Congestive Cardiomyopathy, Erectile Dysfunction, Erectile Dysfunction Treatment, Heart Failure, Hypertension

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vasodilator (vāˈ·zō·dīˑ·lā·ter),

n a substance that widens blood vessels by relaxing the smooth muscle in the walls; decreases blood pressure.

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vasodilator (vā´zōdī´lātur),

n 1. an agent that causes dilation of the blood vessels.
n 2. a drug that relaxes the smooth muscle walls of the blood vessels and increases their diameter.

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vasodilator

1. causing dilatation of blood vessels.

2. a nerve or agent that causes dilatation of blood vessels.

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vasodilator agents

include prostaglandin E₂, prostacyclin, bradykinin, histamine, serotonin, vasoactive intestinal peptide, substance P, adenosine triphosphate, endothelium-derived relaxing factor.