Gross anatomy of the epididymis segments: caput (CT), corpus (CP), cauda (CD) of wistar Rats aged 66 days that split into lobules or sub-segmental subdivision (SS). (A) Epididymis duct non-treated group (G1). (B) Epididymis duct in treated group (G2) with 50µg/rat of estradiol benzoate that was appeared irregular in shape as malformed (M) (right picture).