EFFECTS OF ADRENALINE ON FLOW IN ISOLATED PERFUSED RABBIT'S EAR
- 1 August 1950
- journal article
- research article
- Published by American Physiological Society in American Journal of Physiology-Legacy Content
- Vol. 162 (2) , 280-288
- https://doi.org/10.1152/ajplegacy.1950.162.2.280
Abstract
Isolated rabbit ears were perfused with Ringer soln. containing epinephrine. Flows were measured by a new type of flow gauge described in Rev. Sci. Instruments, 21 485-490. Injd. epinephrine solns. produce inconsistent results; but continuous perfusion of different concns. of epineph- rine give consistent results. If an unbuffered Ringer soln. is used, the flow is oscillatory; if the soln. is buffered at pH 7.2, there are no oscillations. When continuous perfusion is used, the percentage reduction in flow can be correlated with the concn. of epinephrine.Keywords
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