Development of pituitary gland

Question 1

What type of tissue is the pituitary gland made up of?

Answer 1

Anterior pituitary - endocrine tissue

Posterior pituitary - neuroendocrine tissue

Question 2

What type of embyronic tissue does the pituitary gland develop from?

Answer 2

Anterior pituitary - ectoderm

Posterior pituitary - neuroectoderm

Question 3

What embryonic structures develop into the pituitary gland?

Answer 3

Rathke’s pouch

Infundibulum

Question 4

What part of the pituitary gland does Rathke’s pouch develop into?

Answer 4

Anterior pituitary

Question 5

What part of the pituitary gland does the infundibulum develop into?

Answer 5

Pituitary stalk

Posterior pituitary

Question 6

How does Rathke’s pouch develop?

Answer 6

Outgrowth of stomatodeum ectoderm

outgrowth of roof of oropharynx

Question 7

What direction does Rathke’s pouch develop in?

Answer 7

Dorsally

Question 8

What does Rathke’s pouch grow towards?

Answer 8

The developing forebrain

Question 9

How does the infundibulum develop?

Answer 9

Outgrowth of forebrain

Question 10

What does the infindibulum grow towards?

Answer 10

The roof of the oropharynx