Which of the following is not an accurate description of a type of stoma?

An end colostomy is indeed created from the large intestine (the colon), specifically the distal end of the colon, not from the jejunum or the duodenum, which are parts of the small intestine. This mischaracterization is what makes this description inaccurate.

In contrast, a loop colostomy is typically a temporary stoma formed by bringing a loop of the colon to the skin surface and can indeed be reversed. An ileostomy involves creating an opening from the ileum, the last part of the small intestine, which accurately describes the procedure. A colostomy's main purpose is to divert the fecal stream from the colon, which is consistent with its functional intent.