Operculum (fish) required, such as ventilation.. Operculum (fish) The operculum is a series of bones found in bony fish that serves as a facial support structure and a protective covering for the gills; it is also used for respiration and feeding. The opercular series contains four bone segments known as the preoperculum, suboperculum, interoperculum and operculum. The preoperculum is a crescent-shaped structure that has a series of ridges directed posterodorsally to the organisms canal pores. The preoperculum can be located through an exposed condyle that is present immediately under its ventral margin; it also borders the operculum, suboperculum, and interoperculum posteriorly. The
Bodily Harm (novel) Bodily Harm (novel) Bodily Harm is a novel by Margaret Atwood. It was first published by McClelland and Stewart in 1981. The novel's protagonist Rennie Wilford is a travel reporter. After surviving breast cancer, she travels to the fictional Caribbean island St. Antoine to carry out research for an article. The island, however, is on the brink of revolution. Rennie tries to stay away from politics, but is drawn into events through her romance with Paul, a key player in the uprising, and ends up in a survival struggle. A major theme of "Bodily Harm" is power. As in many