NOUN
- phylum or class of elongated wormlike parasites that live in the intestines of vertebrates: spiny-headed worms
How To Use Acanthocephala In A Sentence
- In addition, I reexamine the controversy regarding the relationships of acanthocephalans and rotifers using all available 18S rRNA sequences.
- 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.
- The dotted line with a question mark denotes the suggestion of Ahlrichs that Acanthocephala and Seisonida are sister groups.
- In addition to the thorny proboscis, acanthocephalans are distinguished morphologically as cylindrical and unsegmented worms.