Melanocyte stimulating hormone in frog is released by

The hormones secreted by the pituitary gland are chemically $.....$.

$A$: Synthesis of milk is stimulated by a rise in the level of oxytocin.
$R$: Oxytocin is released from the adenohypophysis under the influence of the hypothalamus.

$A -$ The pituitary gland is located in a bony cavity called $sella$ $turcica$ and is attached to the hypothalamus by a stalk.
$R -$ Adenohypophysis consists of two portions,$pars$ $distalis$ and $pars$ $intermedia$.

$FSH$ and $LH$ hormones together are called:

Hormones originating in the hypothalamic neurons,pass through $A$ and are released from their $B$ endings. These hormones reach the $C$ gland through a $D$ circulatory system and regulate the functions of the $E$ pituitary. Select the correct combination of $A$,$B$,and $C$ in reference to the above paragraph.