A practical treatise on various diseases of the abdominal visceria [sic] / by Christopher Robert Pemberton, M.D. F.R.S.

  • Pemberton, Christopher Robert, 1765-1822.
Date:
1814
Catalogue details

Licence: Public Domain Mark

Credit: A practical treatise on various diseases of the abdominal visceria [sic] / by Christopher Robert Pemberton, M.D. F.R.S. Source: Wellcome Collection.

Provider: This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)

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    £■■«•] rather retard than expedite the extrusion of the ealeulus if it owed its progress to such an impulse as muscular action. If, moreover, we consider the passage of the stone effected by the contraction of the duct upon it, we might wonder, that there should not always be inflammation produced, rather than that it should only sometimes hap- pen ; but if we consider the expulsion of the stone brought about by the distention of the duct from fluid bile, the reason of inflammation so rarely occurring will be satisfactorily ex- plained. The mode, by which a Gall-stone passes, seems analogous in its effect, though not ex- actly in the peculiar process, to the mode by which a foetus is enabled to pass from the uterus; for in this case the passage is prepared, and the propulsion is expedited by the contraction of the uterus upon the liquor Aninii : by this the os uteri is so dilated, as to allow a more enlarged passage for the foetus. The cases