Enquiry into the propriety of blood-letting in consumptions / [Samuel Farr].

  • Samuel Farr
Date:
1775
Catalogue details

Licence: Public Domain Mark

Credit: Enquiry into the propriety of blood-letting in consumptions / [Samuel Farr]. Source: Wellcome Collection.

    17/52 page 11
    fily to be explained than the former. There is a power or force in the animal machine which always difpofes it to ac¬ tion. It is not our bufinefs to take no¬ tice of this power in this differ tat ion, but we may juft hint that we mean by it the nervous influence, or that fentient prin¬ ciple which derives its origin from the brain, and is extended through the whole fyftem. If this force be exercifed in too great a degree, it will always oc- cafton debility, becaufe it is the fource of all adtion in the body. This was alluded to before, where too great a plenitude obtained. It is equally evident in this cafe of too great a deficiency of the fluids. To explain it, however, it is neceffary to inquire into the manner by which the folids always adt upon the fluids in their circulation. This is al¬ ways done by means of a contradlion of hollow veffels. Now if it be neceffary to pufii forward a very fmall quantity of fluid through fuch veffels, which for want of it are apt to collapfe, the con- C tradlion
    digitised image 1
    digitised image 2
    digitised image 3