its in our textbook, but its also on wikipedia
ill post the link
Stimulators of GH secretion include:
* growth hormone releasing hormone (GHRH) from the arcuate nucleus
* ghrelin
* sleep
* exercise
* low levels of blood sugar (hypoglycemia)
* dietary protein
* estradiol
* arginine[2]
Inhibitors of GH secretion include:
* somatostatin from the periventricular nucleus inhibits it.
* circulating concentrations of GH and IGF-1 (negative feedback)
* dietary carbohydrate
* glucocorticoids
Growth hormone - Wikipedia, the free encyclopedia