Lecture 3: Embryo Development Flashcards
1
Q
What forms during gastrulation?
A
The three germinal layers from the epiblast: ectoderm, mesoderm and endoderm.
2
Q
What week is gastrulation?
A
Week 3.
3
Q
Which part of the primitive streak controls CNS development?
A
The primitive node.
4
Q
What do somites differentiate into?
A
Dermomyotomes and sclerotomes.
5
Q
Do dermomyotomoes or scletotomes form cutaneous tissue and muscle?
A
Dermomyotomes. Sclerotomes form bone and cartilage.
6
Q
The lateral folding of the embryo is a consequence of what?
A
Somite enlargement.
7
Q
The longitudinal folding of the embryo is a consequence of what?
A
Rapid enlargement of the neural tube.
