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alveolus
has definitions from the fields of anatomy,zoology
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[ noun ] (anatomy,zoology) a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways
Used in print (LeRoy Fothergill, "Biological Warfare", in Peter...)The entrance and retention of infectious particles in the alveoli amounts almost to an intra tissue inoculation . (Richard F. McLaughlin, et al., "A study of the...)The pulmonary_artery , in_addition to supplying the distal portion of the respiratory bronchiole , the alveolar duct , and the alveoli , continues on and directly supplies the thin pleura ( fig. 8 ) . The alveoli and respiratory bronchioles are primarily diffusing tissues . Therefore , an explanation of this alveolar bronchial_artery supply might be the nutritive requirement of an increased amount of supportive tissue , not primarily diffusing in nature , in the region of the alveolus . (J. W. C. Hagstrom et al., "Debilitating muscular...)Macrophages laden with brown pigment were seen in some of the alveoli , and the intima of some of the small arteries was thickened by fibrous_tissue . |
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[ noun ] (anatomy,zoology) a bony socket in the alveolar ridge that holds a tooth
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