LIST OF 1LLUSTEATIONS xx i 



FIGURE PAGE 



356. A group of mucous acini, from the human submaxillary gland . 386 



357. From the sublingual gland of man . 387 



358. Mucous acini of the ivtrolingual gland of the rat . 388 

 359. Diagram of the arrangement of the colls in a mixed salivary 



gland . . 389 

 360. Diagrams of parotid gland, submaxillary gland, sublingual gland, 



and pancreas . 3.V.I 

 361. From a section of the human parotid gland . 390 

 362. From a section of the human submaxillary gland . 3!H 

 363. Reconstruction model of the sublingual gland of man . . 392 

 364. Nerve endings in a salivary gland . 393 

 365. Early stages in the development of the pancreas, illustrating condi- 

 tions in the 5 and 7 weeks old human embryos . 394 

 366. From a section of the human pancreas, showing several lobules and 



the broad interlobular bands of connective tissue . 395 

 367. Drawing of an intercalary duct with three branches ending in acini 



to form centro-acinial cell groups . . 396 



368. Reconstruction model of the human pancreas . . 396 



369. Acini of the human pancreas . 397 

 370. Pancreatic acinus of cat cut transversely near fundus, showing the 



basal (prozymogen) filaments of the cells . 398 



371. Cells from pancreas of Necturus . 399 



372. Two adjacent acini from the guinea-pig's pancreas . 399 

 373. Section of an acinus from the guinea-pig's pancreas, showing the 



basal mitochondrial content and the central zymogcn granules . 400 

 374. Intercalary duct with branches, from pancreas of guinea-pig, 

 showing highly branched tubules connected with the duct and 



with the islet . 400 



375. Pancreatic islet . 401 



376. From the human pancreas . 402 

 377. Section of a pancreatic islet from injected specimen of cat's pancreas 



to show the profuse blood supply . . 404 



378. A lobule of the pig's liver; the central vein lies in the middle figure . 405 

 379. Diagram of liver lobules, the upper two cut transversely, the lower 



longitudinally . 406 

 380. From a section of the turtle's liver, showing the tubular arrange- 

 ment of the parenchyma . 407 

 381. The reticulum of the dog's liver . 408 

 382. Stellate cells of von Kupffer in the liver of a dog . 409 

 383. A lobule of the pig's liver in longitudinal section, showing the rela- 

 tion of the central and sublobular veins and the arrangement 

 of the hepatic cells . 410 

 384. A lobule of the human liver, seen in trunsection . .411 



