What is the meaning of invagination?

The condition of being folded inward or sheathed.
- synonyms: introversion
The folding in of an outer layer so as to form a pocket in the surface.
- usage: "the invagination of the blastula"
- synonyms: introversion, intussusception, infolding

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APA	WordNet. (2010). invagination. Retrieved September 20, 2026, from http://smartdefine.org/invagination/definitions/1243437
Chicago	WordNet. 2010. "invagination" http://smartdefine.org/invagination/definitions/1243437 (accessed September 20, 2026).
Harvard	WordNet 2010, invagination, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/invagination/definitions/1243437>.
MLA	WordNet. "invagination" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/invagination/definitions/1243437>

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