HYPOTHALAMIC RELEASING AND INHIBITING HORMONES (HYPOPHYSIOTROPIC)
CONTROL THE SECRETION OF ANTERIOR PITUITARY TROPIC HORMONES
TRH:THYROTROPIN-RELEASING HORMONE
PRF:PROLACTIN RELEASING FACTOR
PIF:PROLACTIN INHIBITING FACTOR
GHRH:GROWTH HORMONE RELEASING HORMONE
SRIF: SOMATOTROPIN RELEASE-INHIBITING FACTOR
CRH:CORTICOTROPHIN RELEASING HORMONE
GnRH: GONADOTROPIN RELEASING HORMONE