A.Epiboly, invagination, cleavage
B.Involution, invagination, cleavage
C.Involution, epiboly, evagination
D.Involution, epiboly, invagination
A.Epiboly, invagination, cleavage
B.Involution, invagination, cleavage
C.Involution, epiboly, evagination
D.Involution, epiboly, invagination