Colonic arteriovenous malformation (AVM) is one of the causes of lower GI bleeding. Unlike small vascular ectasia or angiodysplasia, colonic AVM tends to be solitary, large in size, and identified endoscopically as flat or as an elevated bright red lesion.n the case of the colon, wall tension refers to intramural tension, the pressure difference is that between the bowel lumen and the peritoneal cavity, and cylinder radius is the radius of the right colon. Wall tension is highest in bowel segments with the greatest diameter, such as the right colon.
Coagulative necrosis is the most common type of necrosis in which cells death happen after exogenous or endogenous stimuli, occurring after such stresses as ischemia, virus toxin, physical and chemical injury. It is manifested by severe cell rupture, denaturation and coagulation of cytoplasmic proteins.
death of tissue yes, it is in fact that, but there are different stages based on different causes. A spider bite can cause a less severe but pretty severe type of necrosis.I â¦ f you have a strong stomach then you should go to wikipedia.org or google images and type in necrosis. The death of most or all of the cells in an organ or tissue due to disease, injury, or failure of the blood supply. Common Symptoms Associated With Avascular Necrosis Avascular necrosis is a disease that causes death of the bone cells, often involving joints. 2  The condition is sometimes caused by rheumatoid arthritis, although there are manâ¦.