acanthocephalans 

  1. 名詞
寄生棘頭蟲, 棘頭綱動物

    
                        
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例句

                

                    
    
                                                    
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                                Acanthocephalans lack a mouth or alimentary canal.                            
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                                In some recent treatments, rotifers are placed with acanthocephalans in a larger clade called Syndermata.                            
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                                Acanthocephalans have complex life cycles, involving a number of hosts, for both developmental and resting stages.                            
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                                There are several morphological characteristics that distinguish acanthocephalans from other phyla of parasitic worms.                            
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                                They host numerous endoparasites, such as nematodes, cestodes, trematodes, the sporozoan "Isopora", and acanthocephalans .                            
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