a pituitary site of action having been ruled out , this result supports the concept that exogenous somatostatin within the hypothalamus acts either to suppress the release of somatostatin from somatostatin-containing neurons , possibly via an ultrashort-loop feedback mechanism , or to augment release of hypothalamic growth hormone-releasing factor , thereby inducing a release of growth hormone .
C0037659
somatostatin
C0020663
hypothalamic