Fig. 1From: Etiology, clinical manifestations, and management methods of cryptitis beside the preputial frenulum in menMeasurement of the width of the preputial frenulum. The prepuce was retracted to expose the glans, preputial frenulum, and crypt beside the preputial frenulum. The shortest distance between the opening edges of the left and right crypts beside the preputial frenulum was measured with ruler as the width of the frenulum. The length of the black line is the width of the frenulumBack to article page