The epididymis (plural, epididymides) is a tightly coiled mass of thin tubes that carries sperm from the testes to the
Why is the epididymis coiled?
The epididymis is a long, coiled tube that stores sperm and transports it from the testes. It appears as a curved structure on the posterior (back) margin of each testis.
What portion of the epididymis is most coiled?
In the head region of the epididymis, all the ductuli efferentes connect to one large vessel, the ductus epididymidis. This duct is also extremely coiled, being about 4 to 5 m (13 to 16 feet) long when stretched out.