. Kirkes' handbook of physiology . Lan-gerhans. These cells are considerably smaller, their protoplasm is more THE PANCREAS -5iii5 granular and less easily stained with hematoxylin, and their nuclei are smalland stain deeply. The collections of cells vary in size and shape. Thespecial form of nerve terminations, called Pacinian corpuscles, are oftenfound in the pancreas. The secretion of the pancreas has been obtained forpurposes of experiment from the lower animals and from man in at leastone case. A pancreatic fistula is established in the dog by opening the. Fig. 267.—Duct with Laterals to
. Kirkes' handbook of physiology . Lan-gerhans. These cells are considerably smaller, their protoplasm is more THE PANCREAS -5iii5 granular and less easily stained with hematoxylin, and their nuclei are smalland stain deeply. The collections of cells vary in size and shape. Thespecial form of nerve terminations, called Pacinian corpuscles, are oftenfound in the pancreas. The secretion of the pancreas has been obtained forpurposes of experiment from the lower animals and from man in at leastone case. A pancreatic fistula is established in the dog by opening the. Fig. 267.—Duct with Laterals to the Alveoli. Silver method of Golgi (E. Muller). A, Ductwith branches; m, between the cells. B, Laterals more strongly magnified. abdomen and exposing the duct of the gland which is then made to com-municate with the exterior. In Pawlows method a circular bit of the intes-tinal mucous membrane around the mouth of the duct in the intestine isbrought to the surface and stitched into the wound. The secretion is theneasily collected into a vessel suspended under the opening. The Pancreatic Juice. Pancreatic juice is colorless, transparent,slightly viscid, and alkaline in reaction. It varies in specific gravity from1010 to 1030, according as it is obtained from a permanent fistula—then more 3f?4 FOOD AND DIGESTION watery, or from a newly opened duct. The solids vary in a temporary fistulafrom 80 to too parts per thousand, and in a permanent one from 16 to 50 perthousand. It is c haracterized by having three distinct and important en-zymes known as trypsi
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