Intro to Embryology

Question 1

What is fertilisation?

Answer 1

Process where the sperm undergoes capacitation and an acrosomal reaction to fuse with an egg to produce a diploid nucleus.

Question 2

What is Gastrulation?

Answer 2

Process where 2-layered bilaminar disc develops into a 3-layered trilaminar disc

Question 3

Name the 2 layers of the bilaminar disc.

Answer 3

1. Epiblast (upper layer)
2. Hypoblast (bottom layer)

Question 4

Name the 3 layers of the trilaminar disc.

Answer 4

1. Ectoderm
2. Mesoderm
3. Endoderm