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Figure 1: Cyprinus carpio. Right lateral radiograph; Inset: diagram of the urogenital system of C. carpio: anal pore (small arrow), genital pore (white line), urinary pore (dashed arrow), urethra (arrow head), (1) intestine, (2) gonadal duct, (3) empty urinary bladder, (4) kidney, (5) ureters, (6) gonads. |