Retrograde Positive Contrast Urethrocystography of the Fish Urogenital System

Figure 5

Dicentrarchus labrax: right lateral radiograph; inset: diagram of the urogenital system of D. labrax: anal pore (small arrow), urogenital pore (white line), (1) intestine, (2) gonadal duct, (3) urinary bladder, (4) kidney, (5) gonads, and (6) ureters.