Definition of "invaginates" []

• Third-person singular simple present indicative form of invaginate. (verb)

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• "A section of ectoderm invaginates progressively backwards along the body like a zip fastener, rolls itself up into a tube, and is pinched off where the sides of the tube ‘zip up’ so that it ends up running the length of the body between the outer layer and the notochord."
• "The coated pit invaginates and pinches off to form a coated vesicle"
• "Subsequently this hollow sphere invaginates rather as if you were to take a burst rubber ball and squeeze it together in the hand; only the difference is that the walls grow together so that the orifice of the now double-walled sphere will be small and cleftshaped."