Fig. 3From: Sonography of the distal urethra in lambsTransverse sections of the urethra during voiding. The urethra is maximally distended during voiding and collapses after suspending of the urinary outflow. a Transverse sonographic view of a collapsed urethra in a 4-week-old ram; b maximally dilated urethra of the same ram during voiding. Arrow: urethraBack to article page