The formation of egg and sperm is affected by

Acromegaly is caused by hypersecretion of . . . . . . in the adult.

$ACTH$ is secreted by.....

The pituitary gland is located in a bony cavity called $A$ and is attached to $B$ by a stalk. Identify $A$ and $B$ to complete the given statement.

Hyposecretion of growth hormone causes

Select the correct option for each statement:
$(1)$ Hormones are non-nutrient/nutrient chemicals which act as intercellular messengers and are produced in trace amounts.
$(2)$ The posterior pituitary gland is under the direct neural/endocrine regulation of the hypothalamus.
$(3)$ The hormone produced by the posterior pituitary gland is oxytocin/prolactin.