The origin and nature of the emotions; miscellaneous papers . he adrenals, while the adrenalwhose connection with the brain has been broken by thedivision of its nerve supply will still produce sufficient ad-renalin to support life. From the strong affinity of the brain-cells for adrenalinwhich was manifested in our experiments we may stronglysuspect that the Nissl substance is a volatile, extremelyunstable combination of certain elements of the brain-cellsand adrenalin, because the adrenals alone do not take theNissl stain and the brain deprived of adrenalin also doesnot take Nissl stain. The
The origin and nature of the emotions; miscellaneous papers . he adrenals, while the adrenalwhose connection with the brain has been broken by thedivision of its nerve supply will still produce sufficient ad-renalin to support life. From the strong affinity of the brain-cells for adrenalinwhich was manifested in our experiments we may stronglysuspect that the Nissl substance is a volatile, extremelyunstable combination of certain elements of the brain-cellsand adrenalin, because the adrenals alone do not take theNissl stain and the brain deprived of adrenalin also doesnot take Nissl stain. The consumjition of the Nissl sub-stance in the brain-cells is lessened or prevented by mor-phin, as is the output of adrenalin; and the consumption ofthe Nissl substance is also lessened or prevented by nitrousoxid. Jjut morphin does not prevent the action of adrenahninjected into the circulation, hence the control of morphinover energy expenditure is exerted directly on the l^rain-cells. Apparently morphin and nitrous oxid both act THE KINETIC SYSTEM 203 ofe.
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