Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions :
Refer to the diagram below showing the posterior pituitary.
-The structures labeled 2 in the diagram

A) are part of the portal system between the hypothalamus and pituitary gland.
B) carry essential nutrients to the posterior pituitary.
C) release tropic hormones.
D) d.transport vesicles containing the hormones that eventually enter the bloodstream at label 1.
E) are axons that stimulate cells in the posterior pituitary to synthesize and then secrete hormones.