like endogenous somatostatin , it exerts a potent inhibitory effect on the release of anterior pituitary growth hormone and thyroid-stimulating hormone , and peptides of the gastroenteropancreatic endocrine system , while overcoming some of the shortcomings of exogenously administered somatostatin , namely a short duration of action , a need for intravenous administration and postinfusion rebound hypersecretion of hormone .
C0032016
anterior pituitary
C0040160
thyroid-stimulating hormone