Vietnam or Thailand ? Vote for the TOP Country of the Week !
Updated: May 23, 2025
At this period every yolk cell is itself like a whole yolk; for each cell is as full of lesser cells as the yolk-bag itself. When the mesoblast has become thus infinitely subdivided into hundreds of minute spheres, the ectoblast bursts, and the new generations of cells thus set free collect in that part of the egg where the embryonic disk is to arise.
Word Of The Day
Others Looking