vasodilatation

vasodilation

[vas″o-di-la´shun] 1. increase in the caliber of blood vessels.2. a state of increased caliber of blood vessels. Extreme, abnormal vasodilation is called angiectasis. adj., adj vasodi´lative.

va·so·di·la·tion

(vā'sō-dī-lā'shŭn, vas-ō-), Widening of the lumen of blood vessels. Synonym(s): vasodilatation

va·so·di·la·tion

(vā'sō-dī-lā'shŭn) Increase in the caliber of a blood vessel due to relaxation of smooth muscle fibers in the tunica media. This increases blood flow but decreases systemic vascular resistance.
Synonym(s): vasodilatation.

vasodilatation

Widening of blood vessels as a result of relaxation of the muscles in the walls. This allows a greater volume of blood to pass through in a given time. Compare VASOCONSTRICTION.

单词	vasodilatation
释义	DictionarySeevasodilationEncyclopediaSeeVasodilator vasodilatation vasodilation [vas″o-di-la´shun] 1. increase in the caliber of blood vessels.2. a state of increased caliber of blood vessels. Extreme, abnormal vasodilation is called angiectasis. adj., adj vasodi´lative. va·so·di·la·tion (vā'sō-dī-lā'shŭn, vas-ō-), Widening of the lumen of blood vessels. Synonym(s): vasodilatation va·so·di·la·tion (vā'sō-dī-lā'shŭn) Increase in the caliber of a blood vessel due to relaxation of smooth muscle fibers in the tunica media. This increases blood flow but decreases systemic vascular resistance. Synonym(s): vasodilatation. vasodilatation Widening of blood vessels as a result of relaxation of the muscles in the walls. This allows a greater volume of blood to pass through in a given time. Compare VASOCONSTRICTION.
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