The alpha cells in the pancreas are responsible for producing glucagon.
Glucagon Production
Glucagon is a vital hormone that helps regulate blood sugar levels. Here's a breakdown:
- Alpha Cells: These specialized cells located within the pancreatic islets are the primary source of glucagon.
- Response to Low Blood Sugar: When blood glucose levels fall, the alpha cells release glucagon.
- Mechanism of Action: Glucagon signals the liver to convert stored glycogen into glucose, which is then released into the bloodstream, raising blood sugar levels.
- Other Stimuli: Glucagon release is also triggered by:
- Prolonged fasting.
- Exercise.
- Protein-rich meals.
The Role of Hormones
Hormones, including glucagon, play a crucial role in the body. They act as chemical messengers, coordinating various functions by traveling through the bloodstream to reach different organs, skin, muscles, and other tissues. Glucagon's specific role is to help maintain blood glucose homeostasis, ensuring the body has a constant energy supply.
Summary
| Cell Type | Hormone Produced | Function |
|---|---|---|
| Alpha cells | Glucagon | Increases blood glucose levels, particularly during low glucose, fasting, exercise and protein-rich meals. |
