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Glucagon is secreted by |
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a) |
Adrenal medulla |
b) |
β-cells of islets of Langerhans |
|
c) |
α-cells of islets of Langerhans |
d) |
Adrenal cortex |
|
Glucagon is secreted by |
|||
|
a) |
Adrenal medulla |
b) |
β-cells of islets of Langerhans |
|
c) |
α-cells of islets of Langerhans |
d) |
Adrenal cortex |
(c)
Glucagon is a hormone, secreted by α-cells of islets of Langerhans in the pancreas. It increases the concentration of glucose in the blood by stimulating the metabolic breakdown of glycogen. It thus, antagonizes the effects of insulin.