Mature sperm are stored in the epididymis
There is some variation between species in the magnitude of the epididymal storage region. Mature sperm are stored in the epididymis your main goal? The cell types and physiological activity of the epididymis in sperm maturation, concentration and storage are different in successive segments. The epididymis is rudimentary or absent in fish, amphibians and some reptiles. The smallest region is the tail, which begins at the point of separation of the epididymis from the testis. The sperm head becomes smaller, thereby, and more compact. Read More on This Topic.