Digestion a thin-walled expanded portion of the alimentary tract used for the storage of food prior to digestion. In some birds it is an expanded, muscular pouch near the gullet or throat. In adult doves and pigeons, the crop can produce crop milk to feed newly hatched birds. Certain insects may have a crop or enlarged esophagus. Herbivores have evolved cecums (or an abomasum in the case of ruminants). Ruminants have a fore-stomach with four chambers. These are the rumen, reticulum, omasum, and abomasum. In the first two chambers, the rumen and the reticulum, the food is mixed with saliva and
Tobacco pouch Tobacco pouch A tobacco pouch is a pouch used to hold tobacco. They are often made out of leather, and once were made of sealskin. Rolling and pipe tobacco is often sold in a plastic pouch. The person who purchases the tobacco, if they own a tobacco pouch, will then transfer the tobacco from the plastic pouch to their leather one. Tobacco pouches date back to traditional Japan, and appear in artwork dating back to the 17th century. They were also made in Canada in the early 1900s. A tobacco pouch is a vital clue in the Sherlock Holmes short