Hypothalamic hormones

Question 1

PIH

Answer 1

• dopamine; prolactin inhibiting hormone
• opposite to PRH, inhibits secretion of prolactin
• N/A eventual target gland/tissue

Question 2

PRH

Answer 2

• prolactin releasing hormone
• stimulates release of prolactin
• eventual target gland is mammary gland

Question 3

TRH

Answer 3

• thyrotropin releasing hormone
• regulates secretion of thyroid stimulating hormone (TRH) from anterior pituitary
• goes to thyroid to produce thyroxine

Question 4

CRH

Answer 4

• regulates secretion of adrenocorticotropic hormone (ACTH) and melanocyte stimulating hormone (MSH)
• goes to adrenal cortex and skin/hair/feathers

Question 5

GHIH

Answer 5

• somatostatin; growth hormone inhibiting hormone
• inhibits secretion of growth hormone (GH)
• no eventual target gland/tissue

Question 6

GHRH

Answer 6

• growth hormone releasing hormone
• stimulates secretion of GH from anterior pituitary
• many targets to produce 3rd hormone including liver, muscle, bone, etc

Question 7

GnRH

Answer 7

• gonadotropin-releasing hormone
• regulates secretion of luteinizing hormone (LH) and follicle stimulating hormone (FSH)
• goes to gonads

Question 8

ADH

Answer 8

• antidiuretic hormone
• function NA, released by posterior pituitary (produced in hypothalamus and secreted to posterior pituitary)
• goes to kidney

Question 9

Oxytocin

Answer 9

• function NA, released buy posterior pituitary

- goes to mammary gland, uterus