Ultrastructural study of the parapodial cirri of atokous nereids (Annelida Polychaeta)

作者: Yolande Boilly-Marer

DOI: 10.1007/BF00582854

关键词: AnatomyUltrastructureChemoreceptor CellsBiology

摘要: Les cirres parapodiaux deN. pelagica L.,P. cultrifera G. etPl. dumerilii Aud. et M. Edw. sont constitues par une expansion epidermique enveloppant masse nerveuse comprenant un nerf axial, la nevroglie de nombreuses cellules nerveuses bipolaires. L'epiderme, caracterise presence formations type myofilamentaire, est surmonte cuticule normale limitee exterieurement “membrane” riche en polysaccharides dont les plis superficiels renferment materiel tubulaire dispose strates paralleles a surface. Des bipolaires, l'aspect rappelle etroitement celui chimioreceptrices, relient le surface du cirre. Elles soit groupees portant chacune seul cil, isolees surmontee quatre cils; chaque cil entoure couronne microvillosites prolongeant bourgeon dendritique. deNereis atoques se presentent done comme des chimiorecepteurs.

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