I-Testicular lobules, J-Rete-testis, K-Vasa efferentia, L-Epididymis. Male reproductive system is made up of a pair of testis, scrotum, vasa efferentia, a pair of epididymis, a pair of vasa deferentia, a pair of seminal vesicles, a pair of ejaculatory ducts, urethra, prostate gland, a pair of Cowper’s gland and penis [image:3_image92.png]