Abstract
Summary
In human subjects the effectiveness of 1-nor-epinephrine in reducing the circulating eosinophils was found to be only about one-sixth of that of epinephrine.
A marked diminution of the eosinophil count was observed in students in a state of emotional tension. This and the pattern of the accompanying cardiovascular reactions suggest that the neurovegetative manifestations under emotional stress are essentially caused by a discharge of epinephrine from the adrenal medulla. However, a certain degree of participation of neuro-secretory nor-epinephrine discharges cannot be entirely excluded.
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