“The mouth, in the peristomal membrane, contains a powerful chewing apparatus called the Aristotle's lantern.”

“During a routine physician visit, she reports trouble with her colostomy pouch, which slides off and will not adhere to her peristomal skin.”

“These accessories help provide skin care for the peristomal region, prevent leakage of the ostomy bag contents, and deodorize the contents.”

“One pair of palps located lateral to prostomium and median to peristomial ridges.”

“Descriptions of this species, prostomium elongate are rounded anteriorly, flanked laterally by peristomial ridges leading to ventral mouth.”

“Avian predators break open the dorsal or ventral surface of the test, or rupture the peristomial membrane and remove Aristotle's lantern.”