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Article
July 27, 1901

THE EFFECT OF VASOMOTOR INFLUENCES—ESPECIALLY OF THERMIC ORIGIN—ON THE CONSTITUTION OF THE BLOOD.

JAMA. 1901;XXXVII(4):266-267. doi:10.1001/jama.1901.02470300034004
Abstract

Most conflicting conclusions have been reached as a result of investigations by different observers into the influence of thermal agencies applied to the surface of the body upon the constitution of the blood. Thus, a reduction in the number of blood-corpuscles, that is, a diminution in the density of the blood, in the affected capillary area and the reverse conditions in the rest of the body have been found as a result of cold baths; and an increase in the number of corpuscles, that is. an increase in the density of the blood in the affected capillary area and the reverse conditions in the remainder of the body as a result of the action of heat. Precisely opposite results are described by others, although all are agreed that the changes are but transitory. Equal differences of opinion exist with reference to the explanation of the phenomena observed, which by some

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