. The diagnosis of diseases of women . he trabeculse, which cross one another at all angles, are irregularlyshaped depressions. These are the forerunners of the pathologicalconditions known as diverticula and hernia. The color of the mucosa varies within wide limits. In the normalstate this variation in color is found not only in different bladders,but in various portions of the same bladder. By reflected artificiallight the normal color is gray or yellowish-rose. The variationsin color presented at different points in the bladder are accounted 32 498 DIAGNOSIS OF DISEASES OF THE URINARY SYSTE
. The diagnosis of diseases of women . he trabeculse, which cross one another at all angles, are irregularlyshaped depressions. These are the forerunners of the pathologicalconditions known as diverticula and hernia. The color of the mucosa varies within wide limits. In the normalstate this variation in color is found not only in different bladders,but in various portions of the same bladder. By reflected artificiallight the normal color is gray or yellowish-rose. The variationsin color presented at different points in the bladder are accounted 32 498 DIAGNOSIS OF DISEASES OF THE URINARY SYSTEM for by the relative position of the prism to the field of vision. Forthis reason the shades of color change with the movements of theprism. The nearer the prism approaches the surface, the brighterthe color. As the heat of the lamp warms the contained fluid, themucosa shows a hypersemic reaction. The bloodvessels appear as a fine network of veins and arteries;the base of the bladder is more vascular than are other portions. Fig. 199. Glass tube with rubber catheter. With the exception of the field near the sphincter vesicae, the veinsare rarely seen in the normal bladder. From a clinical point of view the most important parts of thebladder are the trigone and base. It is here that foreign bodies andpathological lesions are most often observed. The trigone presentsa smooth, glistening surface, varying in color from gray to dark red,and contains a close network of capillaries. Fig. 200
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