Retrograde Positive Contrast Urethrocystography of the Fish Urogenital System

Figure 4

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