invagination

[in-vaj-uh-ney-shuh n]

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.

Origin of invagination

First recorded in 1650–60; invaginate + -ion

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British Dictionary definitions for invagination

invagination

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

invagination in Medicine

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.