Fig. 6From: Comparative evaluation of the sexual functions and NF-κB and Nrf2 pathways of some aphrodisiac herbal extracts in male ratsRepresentative photomicrographs of histopathological structure of testes and below sperm morphologies for each in different treatment groups. a: Control, no treatment; b: Sildenafil, rats treated with sildenafil (5 mg/kg/d); c: Mucuna, rats treated with Mucuna pruriens (300 mg/kg bw); d: Tribulus; rats treated with Tribulus terrestris (300 mg/kg bw); e: Ashwagandha; rats treated with Ashwagandha (300 mg/kg bw)Back to article page