Long-Term Impact of Immunosuppressants at Therapeutic Doses on Male Reproductive System in Unilateral Nephrectomized Rats: A Comparative Study

Table 1

Histological scoring system for assessment of testicular injury.

Score	Histological features of seminiferous tubules	Remark
0	Orderly arrangement of germinal cells with plenty of sperm and spermatids	Normal
I	Preservation of germ cell layers with decrease of sperm and spermatids	Mild injury
II	Disarray and decrease of germ cell layers with loss of sperm and spermatids	Moderate injury
III	Absence of germ cell layers	Severe injury