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vasodilatation

[vas-oh-dil-uh-tey-shuh n, -dahy-luh-, vey-zoh-]
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noun Physiology.
  1. dilatation of the blood vessels, as by the action of a nerve.
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Also vas·o·di·la·tion [vas-oh-dahy-ley-shuh n, -di-, vey-zoh-] /ˌvæs oʊ daɪˈleɪ ʃən, -dɪ-, ˌveɪ zoʊ-/.

Origin of vasodilatation

First recorded in 1895–1900; vaso- + dilatation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for vasodilatation

Historical Examples

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

    Arteriosclerosis and Hypertension:

    Louis Marshall Warfield

vasodilatation in Science

vasodilation

[vā′zō-dī-lā′shən, -dĭ-]
  1. Dilation of a blood vessel, as by the action of a nerve or drug.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.