Fig. 2From: Toxicological evaluations of betulinic acid and ursolic acid; common constituents of Houttuynia cordata used as an anthelmintic by the Naga tribes in North-east IndiaKidney histological sections of rats in sub-acute toxicity study. a Normal control group; b 10 mg/kg BA-treated group; c 10 mg/kg UA-treated group; d 50 mg/kg APAP-treated group (× 40, H&E stained). G—glomeruli, DT—distal tubules, CS—capsular space, CT—collecting tubules, PCT—proximal convoluted tubuleBack to article page