Epididymis
A structure within the scrotum attached to the backside of the testis.
The epididymis is a coiled segment of the spermatic ducts that serves to store, mature and transport spermatozoa between the testis and the vas (the vas deferens).</P> NTER><IMG height=389 alt='Male Torso Illustration - Epididymis' src='http://images.medicinenet.com/images/illustrations/male_torso.jpg' width=390></CENTER>