Histopathology
Histopathological findings of lungs showed mild pulmonary oedema, multi focal mild mononuclear cell infiltration in peribronchiolar and alveolar region of control rats (Group I) and also treated rats groups (Group II to Group IV) of Urai mathirai orally at a dose level of(10 mg/kg, 50 mg/kg and 100 mg/kg).It revealed that no significant changes were observed related to drug toxicity effect and pictures were presented in the Figure1 .