10.1 Development of the Head and Neck Midline Structures Flashcards
1
Q
What forms the pituitary gland?
A
Downward growth of forebrain - posterior + stalk
Rathke’s pouch (ectoderm) pinches off to make anterior
2
Q
What is the thyroid attached to after descent?
A
The tongue by the thyroglossal duct
3
Q
What happens to free the tongue from the floor of the mouth?
A
Apoptosis