An essay on the diseases of the bile, more particularly its calculous concretions, called gall-stones / [William White].

  • William White
Date:
1771
Catalogue details

Licence: Public Domain Mark

Credit: An essay on the diseases of the bile, more particularly its calculous concretions, called gall-stones / [William White]. Source: Wellcome Collection.

    29/66 (page 29)
    \ [ 29 ] ter/fome ori the contrary immediately link when put therein. ’ Their furfaces are ufually very fmooth, and as if poliflied; this is more particularly the cafe when fe- veral are contained together in the gall-bladder, as by their mutual fric-- tion they polifli each other. Some¬ times they are fcabrous and rough, efpecially when folitary. Their fur- faces have frequently a granulated appearance, and have at times been covered over with beautiful fparkling particles like chryftallized falts. We have an inftance in the philofophical tranfaitions, of one curioully incruft- ed over with chryftals of various fi¬ gures, conical, cubical, pyramidal.' They vary much in their figures; being for the moll part more or lefs angular, or approaching to the cu- boide form. This is undoubtedly oc- cafioned by their mutual preflure up¬ on each other, and almoll infallibly fliews them to be numerous. When they are of a perfectly round, or oval lhape, without dint or impreflioa up¬ on their furface, they are generally folitary.