1. An elongated structure connected to the posterior surface of the testis, consisting of the head, body, and tail, which turns sharply on itself to become the ductus deferens; the main component is the convoluted duct of the epididymis, which in the tail and the beginning of the ductus deferens is a reservoir for sperms. The epididymis transports, stores, and matures sperms between testis and ductus deferens (vas deferens).
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