Fine-structural changes in a lepidopteran nervous system during metamorphosis.

  title={Fine-structural changes in a lepidopteran nervous system during metamorphosis.},
  author={Barbara J. Mclaughlin},
  journal={Journal of cell science},
  volume={14 2},
The fine structure of the metamorphosing abdominal nerve cord of Manduca sexta has been studied. In fifth instar larvae, the connectives are ensheathed by a complex, thickened neural lamella. The underlying perineurium at this stage consists of 2 layers. The outer layer consists of interdigitating type I cells which are attached to the overlying neural lamella by hemidesmosomes, and to each other by occasional gap and tight junctions which persist throughout development. They are attached by… CONTINUE READING
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