The hypothalamo-hypophyseal portal system
a. carries anterior pituitary hormones to the hypothalamus to regulate the release of hypophysiotropic hormones
b. diverts blood to the pituitary, completely bypassing the hypothalamus
c. carries hypophysiotropic hormones to the anterior pituitary to regulate anterior pituitary hormone secretion
d. carries anterior pituitary hormones into the general systemic circulation
e. connects the hypothalamus and posterior pituitary
C
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