Vetan Topic 2 Flashcards
1
Q
It is the state of embryonic development marked by rearrangement of the cells of the embryonic disk to form three germ layers.
A
Gastrulation
2
Q
considered a critical period of embryonic development because during this
period the potentials of a particular tissue to develop into organs begin to be restricted
A
gastrulation
3
Q
These are external agents that produce birth defects.
A
Teratogens
