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The crop (serial 4) of a pigeon (Columba livia) is prominently seen at the beginning of the alimentary canal. The crop (also the croup , the craw , the ingluvies , and the sublingual pouch ) is a thin-walled, expanded portion of the alimentary tract , which is used for the storage of food before digestion .
Fermentation is crucial to digestion because it breaks down complex carbohydrates, such as cellulose, and enables the animal to use them. Microbes function best in a warm, moist, anaerobic environment with a temperature range of 37.7 to 42.2 °C (99.9 to 108.0 °F) and a pH between 6.0 and 6.4.
The gastrointestinal tract (GI tract, digestive tract, alimentary canal) is the tract or passageway of the digestive system that leads from the mouth to the anus. The GI tract contains all the major organs of the digestive system, in humans and other animals, including the esophagus , stomach , and intestines .
A water buffalo chewing cud. The alimentary canal of ruminants, such as cattle, giraffes, goats, sheep, alpacas, and antelope, are unable to produce the enzymes required to break down the cellulose and hemicellulose of plant matter. [2]
The reticulorumen (UK: / r ə ˈ t ɪ k j ʊ l ə ˌ r uː m ən /; rə-TIK-yuu-lə-roo-mən) represents the first two chambers in the alimentary canal of ruminant mammals. It is composed of the rumen and reticulum. The reticulum differs from the rumen with regard to the texture of its lining.
Fowl are birds belonging to one of two biological orders, namely the gamefowl or landfowl (Galliformes) and the waterfowl (Anseriformes).Anatomical and molecular similarities suggest these two groups are close evolutionary relatives; together, they form the fowl clade which is scientifically known as Galloanserae or Galloanseres (initially termed Galloanseri) (Latin gallus ("rooster") + ānser ...
Section of Asilidae mouthparts a: labrum; b: hypopharynx; c: maxillary palp; d: maxillae; e: food canal; f: labium. The mouthparts are short, being modified for piercing and sucking. The strongly sclerotized proboscis is composed of the labium and maxillae which form a food canal, the labrum and a piercing organ, the hypopharynx. The proboscis ...
The mouth is the body orifice through which many animals ingest food and vocalize.The body cavity immediately behind the mouth opening, known as the oral cavity (or cavum oris in Latin), [2] is also the first part of the alimentary canal, which leads to the pharynx and the gullet.