Veins of Rectum and Anal Canal
{"Image DocumentName": "Veins of Rectum and Anal Canal", "Image ImageDescription": "Internal hemorrhoids: 1. Superior rectal vein. The radicles of these vessels raise up the anal columns. The submucous venous anastomosis is the internal rectal venous plexus. These are liable to distention. This causes them to bulge into the anal canal forming internal hemorrhoids. Insensitive to touching, pricking, and cutting.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}