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Quarterly Journal of Experimental Physiology 20.2 pp 193-199
© The Physiological Society 1930
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STUDIES ON THE ARNETH COUNT.—XVI. THE DEFLECTION OF THE COUNT BY IRRADIATED ERGOSTEROL

David Robert Climenko 1

1 Department of Physiology, Edinburgh University

1. The results of Kennedy and Thompson on the deviation of the Arneth count by ultra-violet irradiation are confirmed.

2. The deflection resulting from the parenteral administration of irradiated ergosterol is closely comparable to that produced by direct ultra-violet rays.

3. The blood-calcium level is raised both by direct irradiation and by administration of irradiated ergosterol.

4. While a combination of irradiated ergosterol and ultra-violet rays produces an additive effect on the blood-calcium level, no such additive influence is exerted on the Arneth count.

5. In the control series no deflection or change in the blood-calcium level was produced by either filtered ultra-violet light or by non-irradiated ergosterol.

Submitted on May 2, 1930






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Copyright © 1930 by the The Physiological Society.