Which of the following are true statements about the portal veins of the hypothalamopituitary portal system?
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They convey releasing factors or hormones from the hypothalamus to the posterior pituitary.; |
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They convey releasing factors or hormones from the hypothalamus to the anterior pituitary.; |
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They travel through the pituitary stalk.; |
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They originate in the supraoptic and paraventricular nuclei.; |
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Both alternatives b and c are correct.; |
INCORRECT - The portal veins do not originate in the supraoptic and paraventricular nuclei of the hypothalamus, but rather in the regions of the hypothalamus that control the anterior pituitary.
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