Spermatogenic cells Ratio
Spermatogoniato Preleptotene 1:39.76 ± 1.96
Preleptoteneto Leptotene 1:12.72 ± 0.71
Leptoteneto Pachytene 1:17.41 ± 1.28
Pachytene to step 7 spermatids 1:27.39 ± 0.71
Spermatid step 7 to Spermatid step 16 1:11.50 ± 0.84
Crude numbers  
Spermatogonia 3.58 ± 0.21
Preleptotene 131.17 ± 3.76
Leptotene 49.63 ± 2.50
Pachytene 70.91 ± 2.97
Step 7 spermatids 78.35 ± 2.21
Spermatid step 16 79.68 ± 4.50
Table 2: Kangaroo testis, number of spermatogenic cells and yield in stage VII of seminiferous tubule "n=6 stage VII seminiferous tubule".