Polygons are 2-dimensional shapes. They are made of straight lines, and the shape is closed (all the lines connect up).
Rectopexy is a surgical procedure used to correct rectal prolapse, a condition characterized by a weakening of the muscles that hold the rectum in place. Though the exact cause of this problem is unknown, there are several conditions that may contribute to its development.
Sacrocolpopexy is an operation which lifts the vagina back up to its normal position. A. synthetic mesh is stitched to the top of the vagina (vaginal vault) and then attached to a. ligament on the sacrum.