Development of the pharynx Flashcards
1
Q
What are the main derivatives of the endoderm?
A
Digestive system
2
Q
What is the main derivatives of the neural tube?
A
Brain and spinal cord
3
Q
Where does the umbilical cord form from?
A
Endoderm
4
Q
What is the function of the umbilical cord?
A
Communication between developing gut and maternal blood
5
Q
Why does the primitive yolk sac become a dumbbell shape?
A
Mesoderm pushing down and forms dumbbell shape
6
Q
What type of folding causes the formation of the GI tract?
A
Cephalo-Caudal folding - head to toe and lateral folding
7
Q
What causes cephalo-caudal folding?
A
Rapid longitudinal growth of the neural tube
8
Q
What causes lateral folding?
A
Rapid lateral growth of the somites
