Fig. 1From: Difference in sulfur regulation mechanism between tube-dwelling and free-moving polychaetes sympatrically inhabiting deep-sea hydrothermal chimneysIntestinal epithelial cells of Paralvinella spp. and its EDS mapping. A: SEM micrograph of intestinal epithelial cells. Arrow and arrowhead indicate apical and basal side, respectively. B: EDS spectrum of a spherocrystal. C: EDS spectrum of non-spherocrystal position. D: SEM image of spherocrystals. E, F: EDS sulfur and iron mapping of the region shown in DBack to article page