Fine structure of syzygial articulations before and after arm autotomy in florometra serratissima (Echinodermata: Crinoidea)

@article{Holland2004FineSO,
  title={Fine structure of syzygial articulations before and after arm autotomy in florometra serratissima (Echinodermata: Crinoidea)},
  author={Nicholas D. Holland and J. P. Clegg J. E. Grimmer},
  journal={Zoomorphology},
  year={2004},
  volume={98},
  pages={169-183}
}
About 1 s after appropriate stimulation, arms of Florometra serratissima break at articulations called syzygies that are specialized for autotomy. The fine structure of unreacted and of newly broken syzygies is described. The unreacted syzygy includes (1) ligament fibers consisting of collagen fibrils interconnected by interfibrillar strands and (2) axons filled with presumed neurosecretory granules. The newly broken syzygy includes (1) ruptured ligament fibers consisting of swollen collagen… CONTINUE READING
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