The mature sperms are stored in the Epididymis.

The epididymis is a tightly coiled tube that is located above and behind each testicle. It serves as a storage and maturation site for sperm cells before they are ejaculated. The process of sperm maturation takes place within the epididymis, allowing the sperm cells to gain the ability to swim and fertilize an egg.

Function of the Epididymis:
The epididymis plays a crucial role in the process of sperm development and maturation. It provides a suitable environment for the sperm cells to mature and gain motility. Here are the key functions of the epididymis:

1. Sperm Storage: The epididymis acts as a reservoir for mature sperm cells. It stores the sperm for a certain period until they are ready to be ejaculated. This storage capacity ensures a continuous supply of mature sperm for ejaculation.

2. Sperm Maturation: In the epididymis, the sperm cells undergo a process called capacitation, which is essential for their ability to fertilize an egg. During this process, the sperm cells acquire motility and undergo changes in their membrane structure, making them more receptive to the female reproductive system.

3. Absorption and Recycling: The epididymis also functions to absorb and recycle damaged or non-functional sperm cells. This process helps maintain the quality and efficiency of the stored sperm by eliminating defective or abnormal cells.

4. Secretion: The epididymis secretes various substances that nourish and protect the sperm cells. These secretions provide the necessary nutrients and protective factors for the maturing sperm, ensuring their viability and functionality.

5. Sperm Transport: Once the sperm cells have matured in the epididymis, they are transported to the vas deferens through muscular contractions. This transport mechanism allows for the movement of the sperm towards the ejaculatory ducts and ultimately, the urethra.

Conclusion:
The epididymis serves as a crucial site for the storage and maturation of sperm cells. It provides an optimal environment for sperm development, allowing them to acquire motility and fertilization ability. Understanding the role of the epididymis in the male reproductive system is essential for comprehending the process of sperm production and ejaculation.