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The action of the eyecup muscles of the crab, Carcinus, during optokinetic movements

Burrows, M.; Horridge, George Adrian


Summary 1. The actions of the nine eyecup muscles of the crab during horizontal optokinetic movements are described. 2. Each muscle includes a wide spectrum of fibre types, ranging from phasic, with sarcomere lengths of 3-4 µm., through intermediate, to tonic fibres with sarcomeres of 10-12 µm. Each muscle receives at least one slow and one fast motoneuron, but no inhibitory supply. The slow axons predominantly innervate the tonic muscle fibres while the fast axons innervate the phasic...[Show more]

CollectionsANU Research Publications
Date published: 1968-10-01
Type: Journal article
Source: Journal of Experimental Biology
Access Rights: Open Access


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