Mention the function of interstitial cells.

Explanation

### Step-by-Step Text Solution:

1. **Definition of Interstitial Cells**: Interstitial cells, also known as Leydig cells, are specialized cells located in the testes, specifically adjacent to the seminiferous tubules.

2. **Location**: These cells are found in the interstitial space between the seminiferous tubules in the testes.

3. **Primary Function**: The main function of interstitial cells is to synthesize and secrete hormones.

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