Abstract
LIVE squid muscle is remarkably transparent. Sereni and Young1 noted that it becomes more opaque when stimulated. We find that in healthy living muscle the increase in opacity is only transient and that even in response to single shocks this phenomenon is visible to the naked eye. It is therefore easy to record, and thus makes squid muscle particularly suited for studies of optical changes during contraction. Such work is now in progress.
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References
Sereni, E., and Young, J. Z., Pubbl. Staz. Zool. Napoli, 12, 173 (1932).
Hill, D. K., J. Physiol., 108, 292 (1949).
Abbott, B. C., and Ritchie, J. M., J. Physiol., 113, 330 (1951).
Abbott, B. C., and Lowy, J., J. Mar. Biol. Assoc. U.K., 33, 775 (1954).
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ABBOTT, B., LOWY, J. A New Muscle Preparation for the Study of Optical Changes during Contraction. Nature 177, 788–789 (1956). https://doi.org/10.1038/177788a0
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DOI: https://doi.org/10.1038/177788a0
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