<P> The main release - inhibiting hormones or inhibiting hormones are as follows: </P> <Ul> <Li> The hypothalamus uses somatostatin to tell the pituitary to inhibit somatotropin and to tell the gastrointestinal tract to inhibit various gastrointestinal hormones . </Li> </Ul> <Li> The hypothalamus uses somatostatin to tell the pituitary to inhibit somatotropin and to tell the gastrointestinal tract to inhibit various gastrointestinal hormones . </Li> <P> There are various other inhibiting factors that also have tropic endocrine inhibition activity . Such activity is only one of many functions that they have (such as neurotransmitter and receptor antagonist roles), and they are not always called hormones, although many are neuropeptides or neurosteroids . They include the following: </P>

Releasing and inhibiting hormones produced by the hypothalamus influence the activities of the