perfusion

[per-fyoo-zhuhn]
noun
1.
the act of perfusing.
2.
Surgery. the passage of fluid through the lymphatic system or blood vessels to an organ or a tissue.

Origin:
1565–75; < Latin perfūsiōn- (stem of perfūsiō) a drenching. See perfuse, -ion

perfusion, profusion.
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World English Dictionary
perfuse (pəˈfjuːz)
 
vb
1.  to suffuse or permeate (a liquid, colour, etc) through or over (something)
2.  surgery to pass (a fluid) through organ tissue to ensure adequate exchange of oxygen and carbon monoxide
 
[C16: from Latin perfūsus wetted, from perfundere to pour over, from per- + fundere to pour]
 
per'fused
 
adj
 
per'fusion
 
n
 
per'fusionist
 
n
 
per'fusive
 
adj

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Etymonline
Word Origin & History

perfusion
1574, from M.Fr. perfusion, from L. perfusionem (nom. perfusio) "a pouring over," from perfusus, pp. of perfundere "pour out," from per- "throughout" + fundere "pour" (see found (2)).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

perfusion per·fu·sion (pər-fyōō'zhən)
n.

  1. The act of perfusing.

  2. The injection of fluid into a blood vessel in order to reach an organ or tissues, usually to supply nutrients and oxygen.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
The lower the pulses ox, the worse the perfusion, thus the worse the condition.
Another culprit may be perfusion pressure, or the difference between pressure within the eye and overall blood pressure.
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