What is heterocrine glands ?

Explanation

**Step-by-Step Solution:**

1. **Definition of Heterocrine Glands**: Heterocrine glands are specialized glands that exhibit both exocrine and endocrine functions. This means they can secrete substances through ducts as well as directly into the bloodstream.

2. **Understanding Exocrine Function**: Exocrine glands release their secretions through ducts to specific sites. These secretions can include enzymes and digestive juices that aid in processes like digestion.

3. **Understanding Endocrine Function**: In contrast, endocrine glands are ductless and release hormones directly into the bloodstream. These hormones regulate various physiological processes in the body.

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