Journal of comparative physiology

, Volume 123, Issue 3, pp 229–237 | Cite as

Anatomy and physiology of proprioceptors in the cirri ofBalanus hameri

  • J. V. Clark
  • D. A. Dorsett


Anatomical studies on the 6 posterior cirri of the barnacle,Balanus hameri, have revealed the presence of a number of bipolar and multipolar sensory neurons in the coxopodite-basipodite-ramal (CBR) region which appear to function as proprioceptors. The cells are associated with two simple strands which terminate on the surface of the flexor muscles or on the hypodermis.

Electrophysiological results suggest that the units show uni-directional responses to movements of the limb segments. No position receptors were identified. The difference in receptor activity to imposed and endogenously generated limb movements suggest that many units normally function as muscle tension receptors.


Receptor Activity Sensory Neuron Anatomical Study Limb Movement Muscle Tension 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag 1978

Authors and Affiliations

  • J. V. Clark
    • 1
  • D. A. Dorsett
    • 1
  1. 1.Marine Science LaboratoriesAngleseyEngland

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