CHICK EMBRYOLOGY

1)   Primitive streak (12 Hrs) WM

2)   18 Hrs head fold WM

3)   21 Hrs somite formation WM

4)   24 Hrs 4-6 somite WM

5)   30 Hrs stage 7-10 somite WM

6)   36 Hrs stage 12-16 somites

7)   48 Hrs Aortic arch formation

8)   60 Hrs eye development WM

9)   72 Hrs comma shaped embryo.