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acanthocephalan

NOUN
  1. any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines

How To Use acanthocephalan In A Sentence

  • However, among helminth parasites, e.g., trematodes, cestodes, nematodes, and acanthocephalans, this is not the case.
  • Maximum-parsimony and maximum-likelihood inferred trees differ significantly with regard to relationships among acanthocephalans and rotifers.
  • Unlike the situation in nematodes and platyhelminths, substantial evidence supports a close phylogenetic affinity of acanthocephalans to the predominately free-living rotifers.
  • For example, in some morphologically based studies the issue is whether the lemnisci and proboscis of acanthocephalans are homologous to the hypodermic cushions and apical rostrum of bdelloids.
  • Guidance and encouragement for my research involving acanthocephalans has been provided by Steven A. Nadler.
  • The inferred phylogenetic relationships between acanthocephalans and rotifers differ appreciably.
  • This constraint may limit acanthocephalan lineages to particular arthropod hosts, whereas the use of particular vertebrate hosts may be more free to vary.
  • Many sea otters died from being infected by a parasitic acanthocephalan worm found in sand crabs the sea otters ate when other more natural prey was scarce.
  • In addition to the thorny proboscis, acanthocephalans are distinguished morphologically as cylindrical and unsegmented worms.
  • Alewives caught off the Atlantic coast were found to host the following parasites: acanthocephalans, cestode, trematodes, copepods, and nematodes.
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