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Insulin regulation of secretion
- 2. Blood glucose regulates insulin secretion
Insulin regulates blood glucose
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- 3.
Direct feedback effect on pancreatic beta cells
▪
When plasma glucose ↑
▪
▪
When plasma glucose ↓
▪
Insulin secretion ↑
Insulin secretion ↓
Great precision
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3
- 5.
Insulin regulates blood glucose
Glucose production by the liver
Uptake and utilization in peripheral tissues
▪ Muscle
▪ Adipose tissue
▪ Liver
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- 6.
80 to 90 mg/100 ml
Rate of insulin secretion is low
Plasma glucose < 75 mg / dl
Insulin secretion inhibited
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- 7.
> 75 mg/dL
Stimulate insulin synthesis and insulin secretion
Blood glucose > 100 mg/100 ml
Insulin secretion rises rapidly
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- 8.
Glucose between 300 and 500 mg / dl
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Diabetes mellitus
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