Research Article
Retrograde Positive Contrast Urethrocystography of the Fish Urogenital System
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, and (6) gonads.