Objective: This study was carried out to investigate the combined effect of ethanolic leaf extracts C. papaya and N. laevis on histology testes alloxan-induced diabetic rats. Methodology: Forty male wistar rats weighing 150 -180 g were procured, acclimatized for two weeks, after which divided into eight groups five each, housed in cages. The designated as A - H. Group served control group, rece...