Name the disorder which occurs due to prolonged hyperglycemia.

Explanation

**Step-by-Step Solution:**

1. **Understanding Hyperglycemia**:
- Hyperglycemia refers to a condition characterized by an elevated level of glucose in the blood. It occurs when the body does not produce enough insulin or when the cells become resistant to insulin.

2. **Role of the Pancreas**:
- The pancreas is a vital organ that has both exocrine and endocrine functions. It contains two main types of cells:
- Alpha cells, which secrete glucagon (raises blood glucose levels).
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