Saturday, July 19, 2014
Insulin Is a Hormone Associated with Energy Abundance
As we discuss insulin, it will become apparent that insulin secretion is associated with energy abundance.
That is, when there is great abundance of energy-giving foods in the diet, especially excess amounts of carbohydrates, insulin is secreted in great quantity.
In turn, the insulin plays an important role in storing the excess energy. In the case of excess carbohydrates, it causes them to be stored as glycogen mainly in the liver and muscles.
Also, all the excess carbohydrates that cannot be stored as glycogen are converted under the stimulus of insulin into fats and stored in the adipose tissue.
In the case of proteins, insulin has a direct effect in promoting amino acid uptake by cells and conversion of these amino acids into protein. In addition, it inhibits the breakdown of the proteins that are already in the cells.
References:
© Copyright Guyton and Hall Textbook of Medical Physiology
Labels:
energy,
energy abundance,
glucagon,
insulin
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