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.
ViviGen is a HCT/P (Human Cells, Tissues, and Cellular and Tissue-based Product) comprised of cryopreserved live, viable cells within a cortical cancellous bone matrix and demineralized bone, delivering all of the properties required for bone formation.