Research Article
Adipose Mesenchymal Stromal Cell-Derived Exosomes Prevent Testicular Torsion Injury via Activating PI3K/AKT and MAPK/ERK1/2 Pathways
Table 1
Johnsen’s score for spermatogenic function.
| Score | Characteristics |
| 10 | Complete spermatogenesis with many spermatozoa | 9 | Many spermatozoa present but germinal epithelium disorganized with marked sloughing or obliteration | 8 | Only few spermatozoa (<5–10) present in the section | 7 | No spermatozoa but many spermatids present | 6 | No spermatozoa and only few spermatids (<5–10) present | 5 | No spermatozoa and no spermatids but several or many spermatocytes present | 4 | Only few spermatocytes (<5) and no spermatids or spermatozoa present | 3 | Spermatogonia are the only germ cells present | 2 | No germ cells but Sertoli cells are present | 1 | No cells in tubular section |
|
|