loop stoma

loop sto·ma

a specialized stoma of intestine or ureter by which a loop of the hollow viscus is brought through an opening in the abdominal wall, with an opening created in the apex of the viscus to allow egress of its contents.

loop ostomy

A colostomy in which both the upstream (proximal) and downstream (distal) openings of the ileostomy or colostomy are exteriorised at the same site in the abdominal wall, allowing drainage of stool from the proximal end and of mucus from the anal (or internal pouch) end.