QUESTION 8 Complete the following sentences on gastrulation

QUESTION 8 Complete the following sentences on gastrulation in mammals by writing the missing words in your script a. The migrating mesoblast cells form two ridges called the b. The intra-embryonic mesoderm flanking the notochord develops into the c. During gastrulation mesoblast cells are added to the hypoblast to form the of the trilaminal disc 251

Solution

a) Primitive streak

b) Paraxial mesoderm and later on inturn develops into vertebral column and intervertebral discs, dermis of skin and skeletal muscles of trunk and limbs.