Implantation and the formation of germ layers

Question 1

What does the inner cell mass give rise to

Answer 1

primitive ectoderm and primitive endoderm

Question 2

What happens when the blastocyst implants somewhere other than the uterine lining

Answer 2

Ectopic pregnancy

Question 3

At day 10 what third germ layer does the trophoblast produce

Answer 3

extraembryonic mesoderm

Question 4

where and what is formed when ectodermal cells divide and move between ectoderm and endoderm

Answer 4

intraembryonic mesoderm at primitive streak

Question 5

What occurs to form the prochordal plate

Answer 5

endoderm thickens and becomes firmly adhered to ectoderm

Question 6

what midline structure is formed from the head of the primitive streak

Answer 6

the notochord

Question 7

what does the mesoderm form when it flows around and infront of the prochordal plate

Answer 7

the septum transversum cloacal plate

Question 8

what forms when the neural plate folds

Answer 8

the neural tube (brain and spinal cord)