Significats de embryonic disk en anglès

The next changes in the embryonic disk, or the "embryonic spot," take place in corresponding fashion.

At the beginning of germination the flat embryonic disk curves outwards, and separates on the inner side from the underlying large yelk-ball.

Transverse section of the embryonic disk of a chick at the end of the first day of incubation, magnified about twenty times.

Sole-shaped embryonic disk of the chick, in three successive stages of development, looked at from the dorsal surface, magnified about twenty times, somewhat diagrammatic.

Three diagrammatic transverse sections of the embryonic disk of the higher vertebrate, to show the origin of the tubular organs from the bending germinal layers.