ASCI 112Endo2008

ASCI 112Endo2008 - The Endocrine System ASCI 112 Dr Pettey...

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The Endocrine System ASCI 112 Dr. Pettey
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Endocrine System Regulates physiological processes via chemical messengers – Hormones Physiological functions Maintain homeostasis Example: Insulin regulates blood glucose Cause an event Example: LH surge results in ovulation in female
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Endocrine Glands Secrete their product directly into bloodstream Known as “ductless” glands
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The Confused Cat
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Mechanisms of Action Hormones circulate in the bloodstream and bind with target organ cell receptors to affect a change in the target cell
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Hormones Act on target organs due to specific receptors located on the target plasma membrane
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Classification of Hormones Peptides (Proteins/Glycoproteins) Amines Steroids Nonsteroidal lipids
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Classification of Hormones Peptides Chains of aa’s Most hormones Polypeptides Insulin Anti Diuretic Hormone (Vasopressin) Glycoproteins Follicle -stimulating Hormone (FSH) Luteinizing Hormone (LH)
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Classification of Hormones Amines Tyrosine derivatives
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This note was uploaded on 04/15/2008 for the course ASCI ASCI 112 taught by Professor Dr.pettey during the Fall '07 term at Cal Poly.

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ASCI 112Endo2008 - The Endocrine System ASCI 112 Dr Pettey...

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