Endocrine 6, Pituirary portal system

Thyroid stimulating hormone is produced by;
a. The hypothalamus
b. Thyrotrophs in the anterior pituitary gland *
c. Thyrotrophs in the posterior pituitary gland
d. The thyroid gland

How many portal vein systems are found in the body?
a. 2 *
b. 3
c. 4
d. hundreds

The secondary capillary plexus is found in the;
a. Hypothalamus
b. Anterior pituitary *
c. Posterior pituitary
d. Thyroid gland

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This is how your anterior pituitary is homeostacally regulated, an amazing system, you could not make it up.

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