TIIK SAUYAKY (JLANDS 



383 



same manner, the larger mini her of their secreting alveoli or acini arising 

 through a more complex duet system. 



The larger ducts of the gland are lined by columnar cells, which, 



FIG. 354. CORROSION MODEL OF AN INTERLOBULAR DUCT AND ITS BRANCHES, FROM 



THE HUMAN SUBMAXILLARY GLAND. 



C, interlobular duct; D, large intralobular duct; E, small intralobular duct; F, inter- 

 calary duct. X 12. (After Flint.) 



as they approach their termination, IKM-OHII- supei-|>n>e<l and thus offer 

 a gradual transition to the stralilicd squunmus cpithcliuni upon whose 

 surface they open. The epithelium rests upon a hasenient inenihrane 



