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definitions

invagination

[ in-vaj-uh-ney-shuh n ]
/ ɪnˌvædʒ əˈneɪ ʃən /

noun

the act or process of invaginating.
Embryology. the inward movement of a portion of the wall of a blastula in the formation of a gastrula.
Pathology. intussusception(def 3).
a form or shape resulting from an infolded tissue.

Nearby words

  1. inv.,
  2. invade,
  3. invader,
  4. invaginable,
  5. invaginate,
  6. invalid,
  7. invalidate,
  8. invalidation,
  9. invalides, hôtel des,
  10. invalidism

Origin of invagination

First recorded in 1650–60; invaginate + -ion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for invagination

invagination

/ (ɪnˌvædʒɪˈneɪʃən) /

noun

pathol the process of invaginating or the condition of being invaginated; intussusception
pathol an invaginated organ or part
an infolding of the outer layer of cells of an organism or part of an organism so as to form a pocket in the surface, as in the embryonic development of a gastrula from a blastula
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

Medicine definitions for invagination

invagination

[ ĭn-văj′ə-nā′shən ]

n.

The act or process of invaginating or the condition of being invaginated.
An invaginated organ or part.
The infolding of a portion of the outer layer of a blastula in the formation of a gastrula.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.