. University of Toronto studies. Physiological series. no. 1-98. 1900-28 . Fig. 7. Fig. 8 Fig. 7. Dilatation of a perfused hind limb of a cat by the action of a depressordose of adrenalin ( cc, 1: 100,000) upon the gangliar portion of the dilatormechanism. Cat kgm. (Reduced one-half) Fig. 8. Dilatation of a hind limb produced by a depressor dose of adrenalinacting upon the gangliar portion of the dilator mechanism. Upper record—re-sponse of the hind limb to cc. adrenalin, 1: 100,000 injected into the jugularvein, circulation intact. Lower record—response of the same limb to
. University of Toronto studies. Physiological series. no. 1-98. 1900-28 . Fig. 7. Fig. 8 Fig. 7. Dilatation of a perfused hind limb of a cat by the action of a depressordose of adrenalin ( cc, 1: 100,000) upon the gangliar portion of the dilatormechanism. Cat kgm. (Reduced one-half) Fig. 8. Dilatation of a hind limb produced by a depressor dose of adrenalinacting upon the gangliar portion of the dilator mechanism. Upper record—re-sponse of the hind limb to cc. adrenalin, 1: 100,000 injected into the jugularvein, circulation intact. Lower record—response of the same limb to , 1: 100,000 injected into the jugular vein. (Reduced one-half) 514 F. A. HARTMAN, L. G. KILBORN AND LOIS FRASER By perfusion of a recently denervated limb an immediate change inthe response to adrenalin is brought about, so that dilatation insteadof constriction is easily produced (fig. 6 and table 2). This changeis similar to that occurring in a denervated limb with normal circula-tion several hours after denervation (figs. 2, 3, 4, 5 and table 1). Theperipheral r
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