Making Heads or Tails of Tapeworms.
A study by Koziol et al. using positional markers in larval stages solves the century-old question of whether the scolex of adult tapeworms, used for attaching to the host tissue with suckers, is located at the anterior or posterior end of the animal: the scolex marks the anterior pole.
Research Unit Evolutionary Developmental Biology, Institute of Zoology, University of Innsbruck, Technikerstr. 25, 6020 Innsbruck, Austria. Electronic address: bernhard.egger@uibk.ac.at.
Bernhard
B
Egger
D000818:Animals; D002589:Cestoda / Q000033:anatomy & histology* / Q000254:growth & development; D007814:Larva
AP axis; parasitic flatworms