The pituitary stalk aka infundibulum is a thin string of tissue that connects the hypothalamus and pituitary. What structures important for the physiology of the pituitary gland can be found in the pituitary stalk?
A) nerve fibers of hypothalamic-hypophyseal tract
B) veins of hypothalamic-hypophyseal portal circulation
C) axons of neurons from paraventricular and supraoptic nuclei
D) All of the choices are correct.

Question

Quizplus · Accepted Answer

The pituitary stalk contains all of the structures listed, including nerve fibers of the hypothalamic-hypophyseal tract, veins of the hypothalamic-hypophyseal portal circulation, and axons of neurons from the paraventricular and supraoptic nuclei. These structures are all important for the regulation and control of hormone secretion by the pituitary gland.

The Pituitary Stalk Aka Infundibulum Is a Thin String of Tissue