invagination

noun in·vag·i·na·tion \ in-ˌva-jə-ˈnā-shən \

Definition of invagination

1 : an act or process of invaginating; specifically : the formation of a gastrula by an infolding of part of the wall of the blastula
2 : an invaginated part

First Known Use of invagination

circa 1658


Medical Dictionary

invagination

noun in·vag·i·na·tion \ -ˌvaj-ə-ˈnā-shən \

medical Definition of invagination

1 : an act or process of invaginating: as
a : the formation of a gastrula by an infolding of part of the wall of the blastula
b : intestinal intussusception
2 : an invaginated part

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