Midgets (dwarfs) are due to the deficiency of which gland's hormone?

Acromegaly is caused by:

$A$: 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.

Herring bodies are found in:

Which one of the following first receives the hormones from the pituitary gland?

Which hormone stimulates the secretion of glucocorticoids from the adrenal cortex?