Activation of sustained sympathetic vasodilatation in dog by spinal cord stimulation |
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| Authors: | T. F. Rolewicz B. G. Zimmerman |
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| Affiliation: | (1) Department of Pharmacology, University of Minnesota, 105 Milliard Hall, 55455 Minneapolis, Minnesota, USA;(2) Present address: Department of Pediatrics, St. Paul Ramsey Hospital, St. Paul, Minnesota, USA |
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| Abstract: | Summary Electrical stimulation in lateral sites of the upper cervical spinal cord evoked vasodilatation after adrenergic blockade. Sympathetic fibres mediating sustained vasodilatation were shown to be separate from adrenergic sympathetic fibres since the adrenergic vasoconstrictor response in the paw evoked by vasomotor stimulation in the medulla was not reversed to vasodilatation after bretylium.Supported by USPHS Grant No. HL 08570 and part of thesis work by Dr.Rolewicz. |
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