Results of in situ hybridization of zAbcg2a in zebrafish kidney. (A) Tissue section in situ hybridizations with antisense RNA probe for zAbcg2a on body kidney are shown. Arrowheads indicate zAbcg2a-positive cells. Dashed line indicates the surface of renal tubule. (B) Tissue section in situ hybridization with sense RNA probe for zAbcg2a on body kidney is shown. (C) Body kidney section stained with hematoxylin eosin (H-E) is shown. Arrowheads and arrows indicate lymphoid cells and myeloid cells, respectively. All scale bars indicate 5 μm. RT indicates renal tubule.