THE PANCEEAS 



395 



they possess a much thicker connective tissue coat, in which are also 

 TTifl/nyo-nitiidinal pi-month 



On entering the lobule the duct is immediately transformed into 



FIG. 366. FROM A SECTION OF THE HUMAN PANCREAS, SHOWING SEVERAL LOBULES 

 AND THE BROAD INTERLOBULAR BANDS OF CONNECTIVE TISSUE. 



a, blood-vessel; 6, pancreatic islet; c, intralobular duct; d, inter lobular duct and 

 accompanying artery. Hematein and eosin. Photo. X 45. 



thejntercalary (intermediate; junctional) typej in the pancreas there 

 are no specialized intralobular jdiLcts-lined by columnar striated epithe- 

 lium as in the salivary glands. The intercalary ducts are very slender 

 tubules which are lined by low columnar oj ffattpnprl epithelium Be- 

 cause of the absence of larger intralobular ducts the intercalary portions 

 are relatively very long and. much branched,.. 



