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Words related to alimentary

al·i·men·ta·ry
A a

  • foregut

    Zoology. the first portion of the vertebrate alimentary canal, extending from the pharynx and esophagus to the end of the stomach or gizzard and, in some animals, the anterior duodenum, functioning in the ingestion, temporary storage, and partial digestion of food. the first portion of the alimentary canal in arthropods and annelids, composed of ectodermal, chitin-lined tissue and usually comprising the pharynx, esophagus, crop, and gizzard.

  • hindgut

    Zoology. the last portion of the vertebrate alimentary canal, between the cecum and the anus, involved mainly with water resorption and with the storage and elimination of food residue; the large intestine. the posterior colon of arthropods, composed of ectodermal, chitin-lined tissue.

  • midgut

    Zoology. the middle portion of the vertebrate alimentary canal, posterior to the stomach or gizzard and extending to the cecum, functioning in the digestion and absorption of food; the small intestine. the anterior portion of the arthropod colon, composed of endodermal tissue.

  • stomach

    Anatomy, Zoology. a saclike enlargement of the alimentary canal, as in humans and certain animals, forming an organ for storing, diluting, and digesting food. such an organ or an analogous portion of the alimentary canal when divided into two or more sections or parts. any one of these sections.

  • tapeworm

    any of various flat or tapelike worms of the class Cestoidea, lacking an alimentary canal, and parasitic when adult in the alimentary canal of humans and other vertebrates: the larval and adult stages are usually in different hosts.

  • acoelous

    not having a true digestive tract
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