Question

Portal blood vessels connect the ____ to the ___
1) hypothalamus, brain
2) hypothalamus, posterior pituitary
3) hypothalamus, anterior pituitary
4) anterior pituitary, posterior pituitary

Answer 1

Answer:

anterior pituitary, posterior pituitary

Explanation:

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Answer 2

Portal blood vessels connect the 3) hypothalamus to the anterior pituitary

Explanation:

1.The hypothalamic–hypophysial portal system is the conduit that connects the brain to the anterior pituitary. The portal system is made up of two capillary beds, one in the median eminence and the other in the anterior pituitary.

2.The hypophyseal portal system is a system of blood vessels in the microcirculation at the base of the brain, connecting the hypothalamus with the anterior pituitary.

3.The hypothalamus and pituitary gland are connected by both nervous and chemical pathways. The posterior portion of the hypothalamus, called the median eminence, contains the nerve endings of many neurosecretory cells, which run down through the infundibular stalk into the pituitary gland.