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Nature 399, 16-17 (6 May 1999) | doi:10.1038/19851

Physiology:  A calcium window to the gut

G. David S. Hirst1

Gut movements occur in such an ordered way that the sophistication of the system that controls them is often overlooked. Gut contractility is determined by the internal concentration of calcium ions in the smooth muscle cells that line the gut.

  1. G. David S. Hirst is in the Department of Zoology, University of Melbourne, Parkville, Victoria 3052, Australia.
    e-mail: Email: georgedh@myriad.its.unimelb.edu.au