vasodilatation

[ vas-oh-dil-uh-tey-shuhn, -dahy-luh-, vey-zoh- ]

noun

, Physiology.

1. dilatation of the blood vessels, as by the action of a nerve.

Word History and Origins

Origin of vasodilatation¹

First recorded in 1895–1900; vaso- + dilatation

Example Sentences

Beer: Alcohol can dehydrate you and make your body flushed–a process called vasodilatation, which is caused by the widening of blood vessels.

From Time

We know that when the pulse rate is constant, vasodilatation causes a fall in diastolic pressure and a rise in pulse pressure.

From Project Gutenberg

We may probably associate the general tendency to vasodilatation during early pregnancy with the tendency to goitre; Freund found an increase of the thyroid in 45 per cent. of 50 cases.

From Project Gutenberg

Abnormal vasodilatation seriously interferes with the normal circulation, and causes venous congestion, abnormal increase in venous blood pressure, and the consequent danger of shock and death.

From Project Gutenberg

Alcohol taken before meals on an empty stomach causes sudden vasodilatation after absorption.

From Project Gutenberg