. Biology and its makers. Biology -- History. HARVEY AND EXPERIMENTAL OBSERVATION 49 ebb and flow. In reference to the anatomy of the blood- vessels, he goes so far as to say of the portal vein and the vena cava in the liver that " the extreme ramifications of these veins inosculate with each other, and in many places appear. FIG. ii.—Scheme of the Portal Circulation According to Vesalius, 1543- to unite and be ; All who followed him had the advantage of his drawings showing the parallel arrangement of arteries and veins, and their close approach to each other in their min


. Biology and its makers. Biology -- History. HARVEY AND EXPERIMENTAL OBSERVATION 49 ebb and flow. In reference to the anatomy of the blood- vessels, he goes so far as to say of the portal vein and the vena cava in the liver that " the extreme ramifications of these veins inosculate with each other, and in many places appear. FIG. ii.—Scheme of the Portal Circulation According to Vesalius, 1543- to unite and be ; All who followed him had the advantage of his drawings showing the parallel arrangement of arteries and veins, and their close approach to each other in their minute terminal twigs, but no one before Harvey. 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 Locy, William A. (William Albert), 1857-1924. New York, H. Holt and Company


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