Third-person singular simple present indicative form of invaginate.(verb)
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Use "invaginates" in a sentence
"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."