The elongated organ which is firmly attached to the latter surface of the testes is known as the epididymis. It is approximately 5.5 meters in length, but it is tightly coiled and safely houses the sperm cells in their final stage of maturation in its tail.

The head of the epididymis can be determined by its noticeably expanded portion, while the body then tapers off toward the mid-section. The very beginning segment of the ductus deferens is a continuation of the tail of the epididymis.


Both of these overlapping sections are used to store the maturing sperm cells and ready them for ejaculation, when they will leave the epididymis.

It takes the male body 8 weeks to produce mature sperm cells from the state of meiosis in the seminiferous tubules to the final storage in the ductus deferens.

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