Stomach the first three chambers of which are all lined with oesophageal mucosa. In birds and crocodilians, the stomach is divided into two regions. Anteriorly is a narrow tubular region, the proventriculus, lined by fundic glands, and connecting the true stomach to the crop. Beyond lies the powerful muscular gizzard, lined by pyloric glands, and, in some species, containing stones that the animal swallows to help grind up food. In insects there is also a crop. The insect stomach is called the midgut. Information about the stomach in echinoderms or molluscs can be found under the respective articles. Stomach The stomach
In the Mouth of the Whale In the Mouth of the Whale In the Mouth of the Whale is a 2012 science fiction novel by Paul J. McAuley, the third in his "Quiet War" sequence. While "The Quiet War" and "Gardens of the Sun" were set in a mid-term future solar system, "In the Mouth of the Whale" is spatially and temporally much further out, set thousands of years in the future around a Fomalhaut system long since colonised by refugees from the Quiet War. The first settlers, the Quick, have since been superseded by the True who are in turn challenged by the posthuman Ghosts.