incubation of cultured bovine pituitary cells with ghrh ( 10 ( -11 ) -10 ( -8 ) m ) plus trh ( 10 ( -7 ) m ) caused a significant stimulation of growth hormone release by up to 40 % , compared with the response obtained with ghrh alone ( at all concentrations of ghrh ) .
C0032002
pituitary
C0040162
trh