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Science 27 November 1959:
Vol. 130. no. 3387, pp. 1474 - 1476
DOI: 10.1126/science.130.3387.1474
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Articles

Requirement of Bound Calcium for the Action of Surface Chemoreceptors

HOWARD M. LENHOFF 1 and JOHN BOVAIRD 1

1 Howard Hughes Medical Institute, Miami, Florida

The ability of Hydra to carry out the feeding reflex in response to reduced glutathione was inhibited by either (i) standing in distilled water, (ii) the presence of ethylenediamine tetraacetic acid, or (iii) the presence of magnesium ions. These three types of inhibition were reversed instantaneously by the addition of calcium ions.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Behavior, Hormones, and Hydra.
H. M. Lenhoff (1968)
Science 161, 434-442
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Science. ISSN 0036-8075 (print), 1095-9203 (online)