(GZ-Gerrminal Zone, TZ-Transformation Zone, LO-Lobules, SZ-Spermatozoa, AC-Accessory cells, CUE-Cuboidal epithelium, S1-Substance 1, S2-Substance 2, CE-Columnar epithelium, SP- Spermatophore, GD-Granular droplets, AS-Agranular substance).

Figure 2: Histological sections of the male reproductive system. a. Proximal testis transverse section 4X. b. Proximal testis transverse section 10X. c. Distal testis transverse section 10X. d. Distal testis transverse section 100X. e. Proximal anterior vas deferens cross section 40X. f. Distal anterior vas deferens transverse section 4X. g. Anterior vas deferens transverse section 40X. h. Anterior vas deferens transverse section 40X. i. Proximal median vas deferens transverse section 10X. j. Distal median vas deferens transverse section 10X. k. Posterior vas deferens cross section 10X. l. Ejaculatory duct cross section 10X.