Ultrastructure of the grasshopper proximal femoral chordotonal organ |
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| Authors: | Dr. D. T. Moran J. C. Rowley III F. G. Varela |
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| Affiliation: | (1) Department of Developmental and Cell Biology, University of California, Irvine, California;(2) Department of Zoology, Hebrew University of Jerusalem, Jerusalem;(3) Department of Developmental and Cell Biology, University of California, 92664 Irvine, California, USA |
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| Abstract: | Summary Calpasoma dactyloptera, a tentacled form of minute, freshwater coelenterate, has been investigated by light and electron microscopy and time-lapse cinematography. Each tentacle consists of a protrusion from a single ectodermal epithelial cell termed a tentaculocyte. hin tentaculocyte vesicles which represent invaginations of the plasma membrane. A cnidocil protrudes into the external medium. The bottom of each nematocyte is elongated as a stalk which extends to the tentacle base, coursing through tubular membrane lined channels within the tentaculocyte. A network of fibers and microtubules, originating in the cnidocil, extends to the base of the nematocyte stalk.Supported by PHS Research Career Development Award 1-K04-GM42595 and NSF Research Grant GB 29284. |
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| Keywords: | Tentacles Coelenterata Cytology Microtubules, Cilia Electron microscopy |
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