The internal secretions and the principles of medicine . ?yilSDMnTDR NERVES DF THE CAREIilC CaRD-NilRIES. [HBymans and UeniDDr.] SYMPATHETIC AND STRICTO-DILATORS. 1187 actively reduced by stimulating the vagal vasomotor nerves,the origin of which 1^ traced to the vasomotor center. Physi-ological text-books, notwithstanding the evidence submitted bythe above-named investigators and myself, still teach that thecoronaries are deprived of vasomotor nerves; the plate repro-duced herewith must convince them of their error, since it is amicrophotograph of coronaries showing unmistakably thepresence o
The internal secretions and the principles of medicine . ?yilSDMnTDR NERVES DF THE CAREIilC CaRD-NilRIES. [HBymans and UeniDDr.] SYMPATHETIC AND STRICTO-DILATORS. 1187 actively reduced by stimulating the vagal vasomotor nerves,the origin of which 1^ traced to the vasomotor center. Physi-ological text-books, notwithstanding the evidence submitted bythe above-named investigators and myself, still teach that thecoronaries are deprived of vasomotor nerves; the plate repro-duced herewith must convince them of their error, since it is amicrophotograph of coronaries showing unmistakably thepresence of these nerves, published over twelve years ago byHe3mans and Demoor.* The manner in which the heart is influenced plainly showsthat inhibition is due merely to deficiency of blood in the myo-cardium. HilP states that moderate stimulation of the vagus(which contains the vasomotor fibers) may reduce the outputof blood from the heart 30 to 50 per cent. E. Weber** observedthat during partial inhibition the cardiac contractions wereweakened. Schiff^ foun
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