Sertoli cells are found in

Options

A. testis of cockroach
B. liver of mammals
C. testis of mammals
D. testis of frog

Answer

**Step-by-Step Solution:**

1. **Understanding Sertoli Cells**: Sertoli cells are specialized cells found in the male reproductive system. They play a crucial role in supporting and nourishing developing sperm cells.

2. **Identifying the Location**: Sertoli cells are specifically located in the seminiferous tubules of the testes. This is a key feature that helps in identifying where these cells are found.

3. **Analyzing the Options**:
- **Option 1**: "In the testes of the cockroach" - This is incorrect because Sertoli cells are not found in invertebrates like cockroaches.
- **Option 2**: "In the liver of the mammal" - This is incorrect as Sertoli cells are not present in the liver.
- **Option 3**: "In the testes of the mammals" - This is correct because Sertoli cells are indeed found in the testes of mammals, including humans.
- **Option 4**: "In the testes of the frog" - This is incorrect as frogs do not have Sertoli cells in their testes.

4. **Conclusion**: Based on the analysis of the options, the correct answer is **Option 3: In the testes of mammals**.

---