Why is pancreas called a heterocrine gland?

Explanation

**Step-by-Step Solution:**

1. **Definition of Heterocrine Gland:**
- A heterocrine gland is defined as a gland that has both exocrine and endocrine functions. This means it can secrete substances both into ducts (exocrine) and directly into the bloodstream (endocrine).

2. **Pancreas as a Mixed Gland:**
- The pancreas is referred to as a mixed gland because it performs the functions of both types of glands. It has specialized cells that produce digestive enzymes (exocrine function) and hormones (endocrine function).

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