Potentiation of Tyramine Effect on the Isolated Iris Muscle by Cocaine
- 1 May 1968
- journal article
- Published by Wiley in Acta Physiologica Scandinavica
- Vol. 73 (1-2) , 58-61
- https://doi.org/10.1111/j.1748-1716.1968.tb04082.x
Abstract
Effects of noradrenaline, tyramine and cocaine have been studied on the sphincter of the isolated bovine iris muscle preparation.After administration of cocaine in low concentrations (0.5X10‐5‐2X10‐5M) applied for 2–10 min the tyramine response was incresed in 5 cases out of 12.Various explanations for this effect of cocaine are discussed.Keywords
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