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Journal of Experimental Biology 31,497-500 (1954)
Published by Company of Biologists 1954

A Note on the Pharmacology of the Dorsal Musculature of Peripatopsis

D. W. EWER 1 and ROELOF VAN DEN BERG 1

1 Department of Zoology, University of Natal, Pietermaritzburg

The muscles of the dorsal body wall of Peripatopsis moseleyi respond to acetylcholine at a concentration of 3 x 10-6 This contraction is enhanced by previous treatment with eserme and it not inhibited by either atropine or curare. Adrenaline produces no contraction.

Within the limits of our present knowledge these muscles resemble, in their responses to drugs, those of the chaetopod annelids and differ from those of crustaceans, myriapods and insects.

Submitted on January 21, 1954






© The Company of Biologists Ltd 1954