Development of pituitary gland- articulate

Question 1

What two sources does the pituitary gland develop from?

Answer 1

• Ectodermal outpocketing of the stomodeum

- Extension of diencephalon

Question 2

Oropharynx ectoderm

Rathke’s pouch

Answer 2

Ectodermal outpocketing of the stomodeum

Question 3

Neuroectoderm

Infundibulum & posterior lobe

Answer 3

Extension of diencephalon

Question 4

Invaginates as a solid mass

Answer 4

Neuroectoderm

Question 5

Grows dorsally towards the infundibulum & gives rise to 3 structures of the anterior lobe of the pituitary gland

Answer 5

Rathke’s pouch

Question 6

Ultimately looses it’s connection with the oral cavity

Answer 6

Rathke’s pouch

Question 7

What forms adenohypophysis?

Answer 7

Anterior lobe

Question 8

Pars distalis +2

Answer 8

Adenohypophysis

Question 9

Forms stalk and Pars nervosa

Answer 9

Infundibulum

Question 10

Pars nervosa =

Answer 10

Neurohypophysis

Question 11

Gives rise to 3 structures of the anterior lobe

Answer 11

Rathke’s pouch

Question 12

What 3 structures does Rathke’s pouch give rise to?

Answer 12

Pars distalis
Pars tuberalis
Pars intermedia