The anterior pituitary gland responds to gonadotropinreleasing hormone (GnRH), but the posterior pituitary gland doesnot. Why?
A.) Only anterior pituitary gland is permeable to GnRH.
B.) Only the anterior gland is vascular.
C.) Only the anterior pituitary gland is connected by neuronsto the hypothalmus.
D.) Only the anterior pituitary gland is connected to a ductcarrying GnRH
E.) Only the anterior pituitary has receptors for GnRH