Blood sugar

Blood sugar - homeostasis in terms of receptors, effectors...

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Objectives Explain what is meant by the term endocrine gland . Describe the cellular structure of an islet of Langerhans from the pancreas. Outline the role of the pancreas as an endocrine gland.
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http://www-medlib.med.utah.edu/WebPath/ENDOHTML/ENDO032.html `
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Pancreas Exocrine Gland : a gland that secretes externally through a duct Endocrine Gland : a gland that secretes hormones into the bloodstream.
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Pancreas The pancreas has an exocrine portion that  secretes digestive enzymes that are  carried through a duct to the duodenum.  The endocrine portion consists of the  pancreatic islets, which secrete  glucagons   and  insulin
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Objectives Explain how the blood glucose concentration is regulated by negative feedback control mechanisms, with reference to insulin and glucagon. Discuss the importance of homeostasis in mammals, and explain the principles of
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Unformatted text preview: homeostasis in terms of receptors, effectors and negative feedback. Hormones Most hormones circulate in blood, coming into contact with essentially all cells. However, a given hormone usually affects only a limited number of cells, which are called target cells . A target cell responds to a hormone because it bears receptors for the hormone. The effector is usually an organ. Objectives Explain the advantages of treating diabetics with human insulin produced by genetic engineering. Advantages Disadvantages This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching....
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This note was uploaded on 11/07/2011 for the course BIOLOGY 100 taught by Professor Staff during the Winter '08 term at BYU.

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Blood sugar - homeostasis in terms of receptors, effectors...

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