vasodilation

(vā'zō-dī-lā'shən, -dĭ-) also va·so·dil·a·ta·tion (-dĭl'ə-tā'shən, -dī'lə-)
n.
Dilation of a blood vessel, as by the action of a nerve or drug.

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An increase in the diameter of blood vessels, especially the arteries and arterioles (small arteries), brought about by relaxation of the muscle forming the vessel wall.

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An increase in the diameter of blood vessels (usually arterioles) resulting in an increase in blood flow to the area supplied by the vessel. Factors causing vasodilation of blood vessels supplying muscles, include exercise, high external temperatures, stress, and a rise in blood pressure.

General dilatation of veins and arteries.

For a list of words related to vasodilation, see:

• Physiology - vasodilation: widening of blood vessel

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Dansk (Danish)
n. - arteriektasi, karudvidelse

Français (French)
n. - vasodilatation

Deutsch (German)
n. - Gefäßerweiterung

Ελληνική (Greek)
n. - αγγειοδιαστολή

Italiano (Italian)
vasodilatazione

Português (Portuguese)
n. - vasodilatação (f)

Русский (Russian)
расширение кровеносных сосудов

Español (Spanish)
n. - vasodilatación

Svenska (Swedish)
n. - kärlutvidgande

中文（简体）(Chinese (Simplified))
管道膨胀, 脉管肥大, 血管舒张

中文（繁體）(Chinese (Traditional))
n. - 管道膨脹, 脈管肥大, 血管舒張

한국어 (Korean)
n. - 혈관 확장

日本語 (Japanese)
n. - 血管拡張

עברית (Hebrew)
n. - ‮התרחבות כלי-דם‬

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