CHAPTER XI. 



SUBMAXILLARY GLAND LIVER. 

 SUBMAXILLARY GLAND. 



CONNECTED with the digestive tract are several 

 racemose glands, which, although differing in im- 

 portant particulars, both in structure and function, 

 yet have many features in common. These glands 

 are the submaxillaris, the subingual, t\\.e parotid, and 

 the pancreas. Their details of structure are still in- 

 sufficiently known, and within the limits of this 

 manual we cannot consider at length even what is 

 well understood. We will simply look at some of 

 the more important features of one of the best 

 known, the submaxillaris, considering this, in a 

 general way only, as typical of the others. 



The submaxillary gland differs in structure in- 

 different animals, its structure in the dog being 

 perhaps best known, and quite closely resembling 

 that in man. In the dog it consists, like other race- 

 mose glands, of alveoli and excretory ducts. The 

 elongated alveoli are surrounded by a membrana 

 propria, and grouped into lobules by more or less 

 interstitial connective tissue, which is furnished with 



