invaginate

invaginate definition - medical

in·vag·i·nate (ĭn-văjˈə-nātˌ)

verb
To infold or become infolded so as to form a hollow space within a previously solid structure, as in the formation of a gastrula from a blastula.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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