Sentence Examples


  • The zooids are a modification of the type of structure known in Balanhglossus, from which they differ principally in the following respects: (i.) The alimentary canal, instead of being straight, has a U-shaped flexure, the dorsal line between the mouth and the anus being short.
  • (iv.) The third division of the body, the metasome, is prolonged ventrally into a relatively enormous outgrowth containing the loop of the alimentary canal, beyond which projects a stalk (fig.
  • The metasome contains nearly the whole of the alimentary canal, in which pharynx (fig.
  • 3, d.mes.) and ventral mesenteries, the latter following the outer curvature of the loop of the alimentary canal.
  • Thus the arms are reduced to a single pair and possess no tentacles, there is no definite operculum, and the -alimentary canal is vestigial.

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