Proprioceptive indentation of the campaniform sensilla of cockroach legs

Stanley Spinola, K. M. Chapman

Research output: Chapter in Book/Report/Conference proceedingChapter

52 Citations (Scopus)

Abstract

Individual proprioceptive campaniform sensilla of tibial Group 6 in the cockroach Blaberus discoidalis were stimulated by combinations of proprioceptive and punctate stimuli. Punctate stimulation during a proprioceptive discharge increased the response rather than decreasing it, indicating that proprioceptive stimuli indent, rather than bulge, the cap of the sensillum. The magnitude of the indentation associated with a strong proprioceptive discharge was estimated from compliance and sensitivity measurements to be in the range 10 to 15 nanometers. The excitatory strain of the tibial cuticle appears to be compression perpendicular to the long axis of the cap of the sensillum. The elaborate structure of the cap cuticle serves to amplify the tibial cuticular strain to squeeze the terminal of the dendritic sensory process.

Original languageEnglish (US)
Title of host publicationJ.COMP.PHYSIOL.SER.A
Pages257-272
Number of pages16
Volume96
Edition3
StatePublished - 1975
Externally publishedYes

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Sensilla
Cockroaches
Leg
Compliance

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Spinola, S., & Chapman, K. M. (1975). Proprioceptive indentation of the campaniform sensilla of cockroach legs. In J.COMP.PHYSIOL.SER.A (3 ed., Vol. 96, pp. 257-272)

Proprioceptive indentation of the campaniform sensilla of cockroach legs. / Spinola, Stanley; Chapman, K. M.

J.COMP.PHYSIOL.SER.A. Vol. 96 3. ed. 1975. p. 257-272.

Research output: Chapter in Book/Report/Conference proceedingChapter

Spinola, S & Chapman, KM 1975, Proprioceptive indentation of the campaniform sensilla of cockroach legs. in J.COMP.PHYSIOL.SER.A. 3 edn, vol. 96, pp. 257-272.
Spinola S, Chapman KM. Proprioceptive indentation of the campaniform sensilla of cockroach legs. In J.COMP.PHYSIOL.SER.A. 3 ed. Vol. 96. 1975. p. 257-272
Spinola, Stanley ; Chapman, K. M. / Proprioceptive indentation of the campaniform sensilla of cockroach legs. J.COMP.PHYSIOL.SER.A. Vol. 96 3. ed. 1975. pp. 257-272
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