Question
The posterior pituitary does not receive tropic hormones through the hypophyseal portal system. ____
Answer
The posterior pituitary does not receive tropic hormones through the hypophyseal portal system. True
Note: Rather, neurons in the hypothalamus send their axons down the pituitary stalk directly into the posterior pituitary, which can then release oxytocin and antidiuretic hormone.
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Endocrine signaling involves the secretion of hormones ____
Endocrine signaling involves the secretion of ____ directly into the bloodstream.
Hormones bind to target receptors and ____
____ hormones are composed of amino acids.
Peptide hormones are composed of ____.
____ are signaling molecules that are secreted directly into the bloodstream to distant target tissues.