. Elementary physiology. Physiology; Physiology. Respiration. 179 which form the only covering (with the exception of the equally thin walls of the capillaries themselves) separating the blood in the pulmonary capillaries from the air in the alveoli. These pulmonary capillaries are arranged in a close mesh- work over the concave surface of each alveolus, just beneath the thin pavement epithelium. The pulmonary artery and its larger subdivisions follow the branchings of the bronchus. Fig. 89.—Section of part of cat's lung, stained with nitrate of silver. (Klein.) (Highly magnified.) The small g
. Elementary physiology. Physiology; Physiology. Respiration. 179 which form the only covering (with the exception of the equally thin walls of the capillaries themselves) separating the blood in the pulmonary capillaries from the air in the alveoli. These pulmonary capillaries are arranged in a close mesh- work over the concave surface of each alveolus, just beneath the thin pavement epithelium. The pulmonary artery and its larger subdivisions follow the branchings of the bronchus. Fig. 89.—Section of part of cat's lung, stained with nitrate of silver. (Klein.) (Highly magnified.) The small granular and the large flattened cells of the alveoli are shown. In the middle is a section of a lobular bronchial tube, with a patch of the granular pavement- epithelium cells on one side. at first, but the finer branches, in the end, leaving the smaller bronchioles, branch independently, and finally small arterioles are given off from these which run round the margins of the alveoli and give off capillaries all the way round. The capillaries unite to form minute veins which collect the blood into larger venous radicles lying in the connective tissue between the infundibula, and these unite again to form still larger vessels, which after pursuing an independent course for. 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 Moore, Benjamin, 1867?-1922. New York: Longmans, Green, and Co.
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