Fig. 1From: Pathways of extra- and intercellular diffusion of colored substances in the blackened xylem of Diospyros kakiA photograph (a) and micrographs obtained by stereo microscopy (b–d) of typical wood samples used in this study. Wood of D. kaki that contained some black regions was examined (a). Wood samples were divided into three parts by color, namely, whitish (b), gray (c) and black (d). Scale bars = 10 cm in a; 5 mm in b–dBack to article page