Module 9: Endocrine System: Pituitary

Question 1

where is the pituitary gland

Answer 1

lies in bony depression in the base of skull (attached to hypothalamic region of brain stalk)

Question 2

2 major regions of pituitary gland

Answer 2

anterior pituitary

Posterior pituitary

Question 3

Anterior pituitary

Answer 3

also called adenohypophysis
glandular epithelium
Socratic tropic which modulate other glands and direct action hormones which act on non-endocrine tissue

Question 4

Classification of anterior pituitary based on hormone content

Answer 4

Somatotrophs (growth hormones)
Mammotrophs (prolactin)
Corticotrophins (ACTH, lipotropins, endorphins)
Thyrotrophs (thyrotrophin/ TSH)
Gonadotrophs (FSH, LH)

Question 5

How is ID of hormone content done

Answer 5

hormone/antibody immunohistochemistry methods

Question 6

Posterior pituitary

Answer 6

also called neurohypophysis or pars nervosa
Nervous tissue
stores ADH and oxytocin
Axons consist of non-myelinated axons of neurosecretory cells