Kidney, microscopy presentation (a–F). After laurate application into the inferior caval vein control rats (small italic letters), moderate vascular congestion was shown in renal parenchyma, interstitial edema at 15 min (a), and moderate vascular congestion, and interstitial edema, and intratubular hyaline casts (black arrows) at 30 min (c,e) and at 60 min (g,i). No changes in BPC 157-treated rats (capital italic letters) were observed at 15 min (B), 30 min (D,F), and 60 min (H,J) after laurate application into the inferior caval vein. (HE staining; magnification 200×; scale bar 200 μm (a,B,c,D,g,H); magnification 600×; scale bar 50 μm (e,F,i,J)).