chapter7a Introduction to the Endocrine System 1

chapter7a Introduction to the Endocrine System 1 - Chapter...

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Chapter 7a Introduction to the Endocrine System
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Endocrinology Study of hormones Specialized chemical messengers Secreted by select cells Action at distant sites via blood Effects Enzymatic reactions Membrane transport Gene expression
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About this Chapter Function and purpose of hormones Classification, structure, and synthesis of hormones Pathways of nervous to endocrine regulation Effects of hormone interactions Pathologies of the endocrine system
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Figure 7-2 (1 of 2) Anatomy Summary: Hormones
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Figure 7-2 (2 of 2) Anatomy Summary: Hormones
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Chemical Regulating Systems Hormones: cell–to–cell communication molecules Made in gland(s) or cells Transported by blood Distant target tissue receptors Activates physiological response Pheromones: organism to organism communication
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Hormones: Function Control of Rates of enzymatic reactions Transport of ions or molecules across cell membranes Gene expression and protein synthesis Exert effects at very low concentrations Bind to target cell receptors Half-life indicates length of activity
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Be able to give types and example.
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This note was uploaded on 01/03/2012 for the course BIO 308 taught by Professor Acbrown during the Spring '10 term at Portland.

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chapter7a Introduction to the Endocrine System 1 - Chapter...

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