Image:Gray975.png
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Gray975.png (39KB, MIME type: image/png)
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This is a plate from Gray's Anatomy. Unless stated otherwise, it is from the online edition of the 20th U.S. edition of Gray's Anatomy of the Human Body, originally published in 1918.
Caption: Schematic longitudinal section of a primary lobule of the lung (anatomical unit); r. b., respiratory bronchiole; al. d., alveolar duct; at., atria; a. s., alveolar sac; a, alveolus or air cell; p. a.: pulmonary artery: p. v., pulmonary vein; l., lymphatic; l. n., lymph node. (Miller.) This image in the public domain because its copyright has expired. This applies worldwide. |
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