BIOL 2312 Chapter Notes - Chapter 45: Acromegaly, Bronchiole, Rickets
12 Sep 2017
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The cell response is dependent upon the type of g protein activated by the hormone"s receptor. Ex. ) epinephrine in liver: camp produced via adenylyl cyclase---> activated kinases---> glycogen to glucose production is promoted. Ex. ) epinephrine in smooth muscle: epi stimulates smooth muscle---> ip3-regulated release of intracellular ca2+ ---> contraction of smooth muscle. Dissociate quickly or are deactivated by target cells after binding. 45. 3: the pituitary and hypothalamus: the body"s control centers. The pituitary (hypophysis) is a compound endocrine gland. Hangs by a stalk from the hypothalamus at base of brain posterior to optic chiasm. Develops from pouch of epithelia tissue in roof of embryos mouth. Fibrous- contains axons that originate from somas in the hypothalamus. Directly connected to the hypothalamus via axons forms in embryonic development. Different embryonic origins, secrete different hormone, regulated by different control systems. The posterior pituitary stores and releases two neurohormones:
