Sertoli cells/seminiferous tubule 5.01 ± 0.18 Leydig cells/ seminiferous tubule 71.97 ± 3.88 Leydig cells in cluster per seminiferous tubule 86.39 ± 5.91 Leydig cells clusters per seminiferous tubule 25.56 ± 1.05

Table 3: Calculated indices of Sertoli and Leydig cells in the kangaroo testis.