PRL is controlled by hypothalamic dopamine which appears to act via a cyclic nucleotide as a second messenger. PRL is influenced by salinity, temperature, photoperiod and time of day. Growth hormone ...

Each hormone binds to its cognate receptor in its classical target gland (such as the thyroid for TSH, the gonads for FSH and LH, and the adrenal gland for ACTH) to regulate critical physiological ...