The chitin crystallite in arthropod cuticle.

  title={The chitin crystallite in arthropod cuticle.},
  author={A. C. Neville and David A Parry and JOHN WOODHEAD-GALLOWAY},
  journal={Journal of cell science},
  volume={21 1},
Electron microscopy has revealed that chitin from a representative selection of insect orders (plus one crustacean and one arachnid) is localized in crystallites about 2.8 nm across. Furthermore, these crystallites are arranged on an hexagonal or pseudo-hexagonal lattice, the lateral order of which varies considerably. The lattice becomes secondarily reoriented during cuticle expansion following an ecdysis. The size of the 'unit cell' has been measured both by optical diffraction and direct… CONTINUE READING

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