Gasterostomum sentence example

gasterostomum
  • The mouth lies usually in the centre of the anterior vzs and sub-terminal sucker or between two adoral suckers, but in Gasterostomum and its allies it is mid-ventral.
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  • Thus in the recently discovered arctic genus Prosorhynchus the muscular and glandular extremity is protrusible, but in the allied Gasterostomum this organ is represented by a sucker with fimbriated or tentacular margins.
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  • Perhaps the most remarkable of these effects is that produced by the larvae of Gasterostomum.
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