INTERNAL ORGANS. 21 



and will tend to elucidate, some important 

 diseases. 



The bile is formed by the liver, a larg^e 

 glandular bod\, divided into several lobes, and 

 situate immediately behind the diaphragm, 

 to which it is firmly attached. The form of the 

 liver is too well known to require a particular 

 description ; we have only to observe, therefore, 

 that the bile, which it secretes, is conveyed by 

 the hepatic duct into the duodenum, within 

 three or four inches of its origin. In man, and 

 the greater part of quadrupeds, all the bile 

 does not flow immediately into the intestine, 

 there being a small vessel connected with the 

 hepatic duct, which conveys a certain portion 

 into a sac that is attached to the liver, and 

 -called the gall-bladder, whence it is occasion- 

 ally expelled : but this does not exist in the 

 horse, although Mr. Taplin, in his ' Stable 

 Directory,' has attempted to give an accurate 

 description of its situation and diseases ! 



From what we have just said ^of the pecu- 

 liarity in the digestive organs of the horse, the 

 reason of his havinoj no 2:all-bladJer will rea- 

 dily appear. In man, and many animals, the 

 food is retained a considerable time in the 

 stomach ; during which, the bilious iiuid, qs 



