Role of hydrogen sulfide in portal hypertension and esophagogastric junction vascular disease

Figure 2 Liver hematoxylin and eosin and Masson’s trichrome staining of rabbits in portal hypertension model group and control group. A: Rabbit portal hypertension model; B: Relationship between rabbit portal hypertension progression and H₂S concentration; C: Normal rabbit liver tissue [hematoxylin and eosin (HE) staining]; D: Schistosomiasis portal hypertension (SPH) rabbit liver sample with concentric arrangement of fibrous larval nodules and fibrous connective tissue in the portal area (HE staining); E and F: Masson’s trichrome staining: collagen fibers are stained blue-green; muscle fibers and cellulose are stained red; and nuclei are stained blue to black; E: Normal liver tissue; F: SPH liver tissue with large amount of collagen fibers (arrow). All histological images are shown with × 40 magnification.