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tomists before HOME, In this manner the 

 chyme always acquires a determined consistence, 

 since the superfluous fluids, which have been 

 swallowed, are emptied without being- mixed 

 with it; while the chyme is conducted through the 

 pylorus into the duodenum, where it comes in 

 contact with the bile. The change, which the 

 bile here undergoes, is unknown, both as to its 

 nature and its purpose. That it is really decom- 

 posed, we may learn from this circumstance, that 

 it is no longer met with in the contents of the in- 



O 



testines as bije ; but instead of it, they contain the 

 peculiar matter of the bile, changed into a kind 

 of yellow or greenish adipocerous fat, which gives 

 to these contents their darker colour. It was 

 thought that no chyle could be formed w ithout 

 the assistance of the bile, and though it cannot be 

 denied, that the bile may be indispensable for 

 the formation of perfect chyle, yet we have in^ 

 stances of persons, in whom, during the course 

 of a chronic jaundice, the flow of the bile has 

 been obstructed for two or three weeks together, 

 and yet they have not died for Want of nutriment. 

 After the bile and the pancreatic juice have mixed 

 themselves with the chyme, we find it distinctly 

 divided into a kind of white eyiulsigu, which. 



