The difference between spermiogenesis and spermiation is

Options

A. In spermiogenesis spermatozoa from sertoli cells are released into the cavity of seminiferous tubules, while in spermiation spermatozoa are formed.
B. In spermiogenesis spermatozoa are formed, while in spermiation spermatids are formed.
C. In spermiogenesis spermatids are formed, while in spermiation spermatozoa are formed.
D. In spermiogenesis spermatozoa are formed, while in spermiation spermatozoa are released from sertoli cells into the cavity of seminiferous tubules.

Explanation

To differentiate between spermiogenesis and spermiation, we can break down the definitions and processes involved in each term step by step.

### Step-by-Step Solution:

1. **Understanding Spermatogenesis**:
- Spermatogenesis is the overall process of sperm production in the male reproductive system, which occurs in the testes, specifically within the seminiferous tubules.

2. **Defining Spermiogenesis**:
- Spermiogenesis is the transformation process where spermatids (immature sperm cells) develop into mature spermatozoa (sperm). This involves significant morphological changes, including the formation of a tail, condensation of the nucleus, and shedding of excess cytoplasm.

3. **Defining Spermiation**:
- Spermiation is the process by which mature spermatozoa are released from the Sertoli cells into the lumen of the seminiferous tubules. This occurs after spermiogenesis is complete, allowing the sperm to be part of the ejaculate.

4. **Key Differences**:
- **Spermiogenesis**: Involves the transformation of spermatids into spermatozoa.
- **Spermiation**: Involves the release of mature spermatozoa from Sertoli cells into the seminiferous tubules.

5. **Conclusion**:
- The main difference is that spermiogenesis is about the maturation and structural changes of the sperm cells, while spermiation is about the release of these mature sperm cells for ejaculation.