Germinal epithelium is located in ...................of testes .

Explanation

**Step-by-Step Solution:**

1. **Understanding Germinal Epithelium**: The germinal epithelium is a type of epithelium that is involved in the production of gametes. In males, it is responsible for the formation of sperm.

2. **Location in the Testes**: The germinal epithelium is specifically found in the testes, which are the male reproductive organs responsible for producing sperm and hormones.

3. **Identifying the Specific Structure**: Within the testes, the germinal epithelium is located in the seminiferous tubules. These tubules are coiled structures where spermatogenesis (the process of sperm production) occurs.

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