Structure [edit]. The gluteus maximus is the largest of the gluteal muscles and one of the strongest muscles in the human body. It inserts at the iliotibial band and the gluteal tuberosity of the femur.
Causes. Toxic megacolon occurs as a complication of inflammatory bowel disease, such as. and, and infections of the colon. The term toxic means that this complication occurs with infection or inflammation, and is very dangerous.1  ulcerative colitis.2  Crohn's disease.oxic megacolon occurs as a complication of inflammatory bowel disease, such as. and, and infections of the colon. The term toxic means that this complication occurs with infection or inflammation, and is very dangerous. 1  ulcerative colitis.
The large intestine completes the digestion process by absorbing water and passing waste through to the anus. Certain conditions can cause the large intestines to malfunction. One such condition is toxic megacolon or megarectum. âMegacolonâ is a general term that is used to mean the dilation of the colon.âToxic megacolonâ is a term meant to express the seriousness of the condition. Toxic megacolon is a rare, life-threatening widening of the large intestine that occurs within a few days.hese diseases can be painful and can cause permanent damage to your large and small intestines. Examples of IBDs include ulcerative colitis and Crohnâs disease. Toxic megacolon occurs when inflammatory bowel diseases cause the colon to expand, dilate, and distend.