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[in-tuh s-suh-sep-shuh n] /ˌɪn təs səˈsɛp ʃən/
a taking within.
Biology. growth of a cell wall by the deposition of new particles among the existing particles of the wall.
Compare apposition (def 4).
Also called invagination. Pathology. the slipping of one part within another, as of the intestine.
Origin of intussusception
1700-10; < Latin intus within + susceptiōn- (stem of susceptiō) an undertaking, equivalent to suscept(us), past participle of suscipere (see susceptible) + -iōn- -ion Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for intussusception


(pathol) invagination of a tubular organ or part, esp the telescoping of one section of the intestinal tract into a lower section, causing obstruction
(biology) growth in the surface area of a cell by the deposition of new material between the existing components of the cell wall Compare apposition (sense 3)
Word Origin
C18: from Latin intus within + susceptiō a taking up
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for intussusception

1707, literally "a taking in," from Latin intus "within" (see ento-) + susceptionem "a taking up" (see susceptible).

Online Etymology Dictionary, © 2010 Douglas Harper
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intussusception in Medicine

intussusception in·tus·sus·cep·tion (ĭn'tə-sə-sěp'shən)

  1. Invagination, especially an infolding of one part of the intestine into another.

  2. Assimilation of new substances into the existing components of living tissue. Also called introsusception.

in'tus·sus·cep'tive (-tĭv) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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