| − | According to Medicine.Net, "A precise definition of '''hemorrhoid'''s does not exist, but they can be described as masses or clumps (“cushions”) of tissue within the anal canal that contain [[blood vessel]]s and their surrounding, supporting [[tissue]] made up of [[muscle]] and elastic fibers.<ref>http://www.medicinenet.com/hemorrhoids/article.htm</ref>
| + | 666 |