Abstract
WHEN weighted with even a very small load, the smooth retractor of the snail's pharynx extends to great lengths1. This phenomenon has been taken to indicate an almost complete absence of elastic material in parallel with the fibres of that muscle2. In connexion with work to be published elsewhere, we have been able to show that the snail muscle actually has a parallel elastic component which produces resting tension at appropriate lengths.
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References
Bozler, E., Z. vergl. Physiol., 12, 579 (1930).
Hill, A. V., Nature, 166, 415 (1950).
Aubert, X., Roquet, M. L., and van der Elst, J., Arch. Int. Physiol., 59, 239 (1951).
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ABBOTT, B., LOWY, J. Resting Tension in Snail Muscle. Nature 178, 147–148 (1956). https://doi.org/10.1038/178147a0
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DOI: https://doi.org/10.1038/178147a0
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