vasodilation (redirected from vasodilatations)

vasodilation /vaso·di·la·tion/ (-di-la´shun)

1. increase in caliber of blood vessels.

2. a state of increased caliber of blood vessels.vasodi´lative

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va·so·di·la·tion (vz-d-lshn, -d-) or va·so·dil·a·ta·tion (-dl-tshn, -dl-)

n.

Dilation of a blood vessel, as by the action of a nerve or drug. Also called phlebarteriectasia.

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Vasodilation

The increase in the internal diameter of a blood vessel that results from relaxation of smooth muscle within the wall of the vessel thus causing an increase in blood flow.

Mentioned in: Alpha 1 -Adrenergic Blockers, Minoxidil

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vasodilation

[-dīlā′shən]

Etymology: L, vas + dilatare

an increase in the diameter of a blood vessel. It is caused by a relaxation of the smooth muscles in the vessel wall. Also called vasodilatation. Compare vasoconstriction.

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vasodilation (vāˈ·zō·dī·lāˑ·shn),

n state of dilation or widening of a blood vessel.

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vasodilatation, vasodilation

a state of increased caliber of blood vessels.