Summary
The anterior and posterior proprioceptors at the tibio-metatarsal joint of the cribellate spiderCiniflo have been studied physiologically by recording from the individual receptor nerves in response to manipulation of the metatarsus. In the anterior organ (TMant) two flexion sensitive movement units, an extension sensitive position unit and a flexion sensitive position unit were identified (Figs. 2 and 3). In the posterior organ (TMpost) there are more units present, with representatives of the above categories and also some indication of an extension sensitive movement unit (Fig. 6). The results are compared with those of the corresponding receptors in crustaceans.
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One of the authors (DJH) wishes to thank the Science Research Council for a research studentship during which this work was carried out. We are also grateful to Mr. J. Scott, Mr. R. Stevenson and Mr. C. Gilbert for their excellent technical help.
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Mill, P.J., Harris, D.J. Observations on the leg receptors ofCiniflo (Araneida: Dictynidae). J. Comp. Physiol. 119, 63–72 (1977). https://doi.org/10.1007/BF00655872
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DOI: https://doi.org/10.1007/BF00655872