On the Expulsion of Bile by the Gall Bladder; and a Reciprocal Relationship with the Sphincter Activity


After feeding a dog, forceful contractions of the gall bladder occur that are sufficient in strength to expel part of the contents of the viscus against a considerable pressure resistance. The pressure within the gall bladder of a healthy, unanesthetized dog fasted 24 to 48 hours is usually about equal to a column of bile 100 mm. high. After a few swallows… (More)


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