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Journal of Experimental Biology 61,593-613 (1974)
Published by Company of Biologists 1974

Interneurones in Crab Connectives (Carcinus Maenas (L.)): Giant Fibres

PETER J. FRASER 1

1 Department of Neurobiology, Research School of Biological Sciences Australian National University, P.O. Box 475, Canberra City, A.C.T. 2600, Australia

Five interneurones with cell bodies and dendritic trees in the brain have axons 40-60µm diameter in one oesophageal connective. The fibres are phasic and multimodal, responding to visual and tactile stimuli. They have complex adaptation properties and two are suppressed completely during certain movements of the animal. The role of the fibres in overt behaviour has not been revealed by electrical stimulation or by examination of output in free walking animals. Several smaller interneurones in the connective are briefly described anatomically and physiologically.

Submitted on April 24, 1974






© The Company of Biologists Ltd 1974