Table 3: Histopathological features of kidneys of rats of different treatment groups.

Histopathological featureControl groupGentamicin groupUrsolic acid
2 mg/kg
Ursolic acid
5 mg/kg
Ursolic acid
10 mg/kg

Glomerular congestion4211
Blood vessel congestion3211
Interstitial edema3110
Inflammatory cells2120
Necrosis and tubular casts4210
Average score03.21.61.20.4