Optimal temperature for spermatogenesis :-

Options

A. Normal body temperature (`37^(@)`C)
B. `43^(@)-45^(@)` C
C. `39^(@)-40^(@)C`
D. `34.5-35^(@)C`

Answer

### Step-by-Step Solution:

1. **Understanding Spermatogenesis**:
- Spermatogenesis is the process through which haploid spermatozoa (sperm cells) are produced from germ cells. This process occurs primarily in the seminiferous tubules of the testes.

2. **Temperature Requirement for Spermatogenesis**:
- The process of spermatogenesis requires a specific temperature range to be optimal. It is known that sperm production occurs best in a cooler environment compared to the normal body temperature.

3. **Normal Body Temperature**:
- The average human body temperature is approximately 37 degrees Celsius. However, this temperature is not conducive for optimal sperm production.

4. **Identifying the Optimal Temperature**:
- Research indicates that the optimal temperature for spermatogenesis is about 10 to 15 degrees Celsius lower than the normal body temperature. This means that the ideal temperature for sperm production is around 34.5 to 35 degrees Celsius.

5. **Conclusion**:
- Therefore, the optimal temperature for spermatogenesis is **34.5 to 35 degrees Celsius**.