Novel organelle associations in photoreceptors of a serpulid polychaete worm |
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Authors: | Richard S Smith |
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Institution: | Department of Marine Biology, James Cook University of North Queensland, Townsville, Australia 4811 |
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Abstract: | Cerebral and branchial eyes of serpulid polychaetes have been studied by electron microscopy for the first time. In one species both eye types possess a novel ultrastructure. The receptor cells of the simple cerebral ocelli are rhabdomeric and display a close structural and functional relationship between ciliary rootlets and mitochondria. The receptors of the compound branchial eyes contain both a rhabdom and a stack of photosensitive ciliary membranes. |
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Keywords: | Spirobranchus serpulid photoreceptor mitochondria-rootlet association |
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