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5 Cards in this Set
- Front
- Back
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Atleast 4 polypeptides with hormonal activity are secreted by the islets of Langherhans in the pancreas. What are they?
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Two of these hormones are insulin and glucagon. They are responsible for regulation of intermediary metabolism of CHO, proteins and fats.
Somatostatin, regulates islet cell secretion. Pancreatic polypeptide, concerned with GI function. |
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Are any of the above substances secreted elsewhere in the body?
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Yes. Glucagon, somatostatin and possibly pancreatic polypeptide are also secreted by cells in the mucosa of the G I tract.
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Is insulin anabolic?
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Yes. It increases the storage of glucose of glucose, fatty acids and amino acids.
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Is glucagon anabolic?
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No. It is catabolic, mobilizing glucose, fatty acids and the amino acids from stores into the bloodstream.
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What is the result of over production of somatostatin?
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It causes hyperglycemia and other manifestations of diabetes.
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