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.
receptacle. 1  a container, device, etc., that receives or holds something: a receptacle for trash. 2  Botany. the modified or expanded portion of the stem or axis that bears the organs of a single flower or the florets of a flower head.