. On the anatomy of vertebrates [electronic resource] . Selective cells from the pancreatic follicles of the 400 diam. ccxxxi. tions for microscopic scrutiny, hasgiven the following amongst other 386 Portion of epithelium lining a small ductl-400th of an inch in diameter. From aRabbit. Mag. 300 diam. ccxxxi. illustrations of the ultimatestructure of this gland. shows a group of folliclesfrom the pancreas of a Rat,viewed so as to bring theircentral cavity into average size of a pan-creatic follicle is yj-g- of aninch: they are commonlyarranged in groups of veryvariou
. On the anatomy of vertebrates [electronic resource] . Selective cells from the pancreatic follicles of the 400 diam. ccxxxi. tions for microscopic scrutiny, hasgiven the following amongst other 386 Portion of epithelium lining a small ductl-400th of an inch in diameter. From aRabbit. Mag. 300 diam. ccxxxi. illustrations of the ultimatestructure of this gland. shows a group of folliclesfrom the pancreas of a Rat,viewed so as to bring theircentral cavity into average size of a pan-creatic follicle is yj-g- of aninch: they are commonlyarranged in groups of veryvarious numbers. In the follicles proteinematter is formified or deve-loped as selective cells, offrom T5-Vo t0 itoVo of an inch. Ultimate lobule or acinus of the pancreas of a 180 diam ccxxxi. PANCREAS OF MAMMALIA. 499 in diameter subcompressed, rounded or polygonal in shape;which escape by rupture of the follicle. These cells slightly in-crease and become filled by opaque granules, fig. 385, resemblingthe granular contents of the free secretion, which granules appearto be liberated by the solution and disappearance of the cell-wall. The spaces containing both follicles and cells are circumscribedby productions of a basilemma defining the ultimate lobules or( acini of the pancreas: in one of these, fig. 386, may be seen agroup of follicles containing two results of formifaction, callede stages of selective or epithelial The following are among the later and more exact analyses ofthe pancreatic secretion from a carnivorous and a herbivorousspecies of mammal:— Pancreatic juice of dog (Schmidt).2 Pancreatic juice of ass (Frerichs).3 Water .... 900 76 Water .... 986-40Solid residue . . 99-24
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