The synthesis of vasopressin is done by

Hypothalamic hormones directly regulate the synthesis and secretion of

The neural centre which controls sexual behaviour and the urge for drinking is associated with $:-$

Select the correct option on the basis of the following sentences:
$(I)$ Hypothalamus is the basal part of diencephalon.
$(II)$ It regulates a wide spectrum of body functions.
$(III)$ Two types of hormones are produced by the hypothalamus.
$(IV)$ Gonadotropins are hypothalamic hormones.

$GnRH$,a hypothalamic hormone,needed in reproduction,acts on

What is the function of somatostatin released from the hypothalamus gland?