Novel, secondary sensory cell organ in ascidians: in search of the ancestor of the vertebrate lateral line.

@article{Burighel2003NovelSS,
  title={Novel, secondary sensory cell organ in ascidians: in search of the ancestor of the vertebrate lateral line.},
  author={Paolo Burighel and Nancy Jane Lane and Gasparini Fabio and Tiozzo Stefano and Giovanna Zaniolo and Maria Daniela Candia Carnevali and Lucia Manni},
  journal={The Journal of comparative neurology},
  year={2003},
  volume={461 2},
  pages={236-49}
}
A new mechanoreceptor organ, the "coronal organ," located in the oral siphon, is described by light and electron microscopy in the colonial ascidians Botryllus schlosseri and Botrylloides violaceus. It is composed of a line of sensory cells (hair cells), accompanied by supporting cells, that runs continuously along the margin of the velum and tentacles of the siphon. These hair cells resemble those of the vertebrate lateral line or, in general, the acoustico-lateralis system, because they bear… CONTINUE READING
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