. Outlines of the comparative physiology and morphology of animals. Anatomy, Comparative; Physiology, Comparative. 442 PHYSIOLOGY AND MORPHOLOGY OF ANIMALS. two. Besides these tubes, of course, there are the bile ducts (Fig. 306); but these, like all excretory tubes, end in blind extremities (Fig. 305). As we shall see pres- ently, the products of the liver are bile and sugar. Of these, the bile is carried away by the biliary ducts into. Fig. 306.—Diagram showing the distribution of the blood through the liver. The arrows show the direction of the current. the intestines, while the sugar is de
. Outlines of the comparative physiology and morphology of animals. Anatomy, Comparative; Physiology, Comparative. 442 PHYSIOLOGY AND MORPHOLOGY OF ANIMALS. two. Besides these tubes, of course, there are the bile ducts (Fig. 306); but these, like all excretory tubes, end in blind extremities (Fig. 305). As we shall see pres- ently, the products of the liver are bile and sugar. Of these, the bile is carried away by the biliary ducts into. Fig. 306.—Diagram showing the distribution of the blood through the liver. The arrows show the direction of the current. the intestines, while the sugar is delivered to the blood and carried into the general circulation by the hepatic vein. 2. Function : Two General Kinds of Glands.— Glands are of two general kinds—ducted and ductless. The one delivers its products by a duct to the surface, the other delivers its product directly to the blood with- out a duct. We have already seen two examples of these in the lymphatic glands and the spleen, and have stated (page 324) that the pancreas is also partly Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original LeConte, Joseph, 1823-1901. New York, D. Appleton and Company
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