Fig. 1From: Alterations of gut microbiota diversity, composition and metabonomics in testosterone-induced benign prostatic hyperplasia ratsPathological model of BPH in rats. a Anatomical map of rat prostate specimen (red arrows show the prostate tissue of a rat). b Prostate weight indexes were calculated dividing prostate weight (mg) by body weight (g). Results are expressed as mean ± SEM, **P < 0.01. HE staining (c) and Masson staining (d) of histopathological images of the prostate glands in each group [Masson staining: prostatic epithelial cells (blue arrow), smooth muscle cells (yellow arrow), and collagen fibers (green arrow)]. BPH: benign prostatic hyperplasiaBack to article page