Antagonistic Hormones

Antagonistic Hormones - Antagonistic Hormones

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Antagonistic Hormones Maintaining homeostasis often requires  conditions to be limited to a narrow  range. When conditions exceed the  upper limit of homeostasis, a specific  action, usually the production of a  hormone, is triggered. When conditions  return to normal, hormone production is  discontinued. If conditions exceed the  lower limit of homeostasis, a different  action, usually the production of a  second hormone, is triggered.  Hormones that act to return body  conditions to within acceptable limits 
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from opposite extremes are  called  antagonistic hormones. The regulation of blood glucose  concentration (through negative  feedback) illustrates how the endocrine  system maintains homeostasis by the  action of antagonistic hormones.  Bundles of cells in the pancreas called  pancreatic islets contain two kinds of  cells, alpha cells and beta cells. These  cells control blood glucose  concentration by producing the  antagonistic hormones insulin and  glucagon:
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This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.

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Antagonistic Hormones - Antagonistic Hormones

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