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Survey of Japanese Science

Nature 240, 217-218 (24 November 1972) | doi:10.1038/240217a0

Calcium Ions and Muscle Contraction

SETSURO EBASHI

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The Ca ion has many functions in living organisms. In this article, the mode of action of the Ca ion in regulating the contractile processes of muscle through the troponin-tropomyosin system is briefly described.