chitin-lined
1arthropod — /ahr threuh pod /, n. 1. any invertebrate of the phylum Arthropoda, having a segmented body, jointed limbs, and usually a chitinous shell that undergoes moltings, including the insects, spiders and other arachnids, crustaceans, and myriapods. adj …
2foregut — /fawr gut , fohr /, n. 1. Zool. a. 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,… …
3hindgut — /huynd gut /, n. 1. Zool. a. 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. b. the posterior… …
4foregut — The cephalic portion of the primitive digestive tube in the embryo. From its endoderm arises the epithelial lining of the pharynx, trachea, lungs, esophagus, and …
5anterior chamber — Second portion (after the esophagus) of the chitin lined foregut; has often been called the cardiac stomach [Bliss, 1982] …
6hindgut — noun the caudal part of the alimentary canal in vertebrate embryos • Hypernyms: ↑internal organ, ↑viscus • Part Holonyms: ↑intestine, ↑bowel, ↑gut * * * ˈ ̷ ̷ˌ ̷ ̷ noun 1 …
7Bryozoa — Temporal range: Upper Cambrian–Recent[1] …
8Annelid — Temporal range: Early Ordovician–Recent[1] …
9Velvet worm — Taxobox name = Onychophora fossil range = Cambrian – Recent image width = 250px image caption = Velvet worm regnum = Animalia phylum = Onychophora phylum authority = Grube, 1853 subdivision ranks = Extant families subdivision = Peripatidae… …
10Onychophora — Temporal range: 40–0 Ma …
