Which is the correct matching of term and definition as they relate to gastrulation in frogs?
A) Involution — process by which surface cells change their shape in order to invaginate into the blastocoel
B) Bottle cells — cells in the gray crescent region that bulge inward while remaining attached to the outer surface of the blastula
C) Epiboly — process by which vegetal hemisphere cells flatten and move inward
D) Blastocoel — fluid-filled cavity that enlarges as the archenteron enlarges
E) Dorsal lip of the blastopore — cells that form the neural tube of the embryo

Question

Quizplus · Accepted Answer

Bottle cells are indeed cells in the gray crescent region that initiate gastrulation in frogs by bulging inward while remaining attached to the outer surface, signaling the beginning of the invagination process that forms the archenteron.

Which Is the Correct Matching of Term and Definition as They