Stomach "mouth". The words "gastro-" and "gastric" (meaning related to the stomach) are both derived from the Greek word "gaster" (, meaning "belly"). Although the precise shape and size of the stomach varies widely among different vertebrates, the relative positions of the oesophageal and duodenal openings remain relatively constant. As a result, the organ always curves somewhat to the left before curving back to meet the pyloric sphincter. However, lampreys, hagfishes, chimaeras, lungfishes, and some teleost fish have no stomach at all, with the oesophagus opening directly into the anus. These animals all consume diets that either require little storage of
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 The first settlers, the Quick, have since been superseded by the True who are in turn challenged by the posthuman Ghosts.