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Fig. 3 | Environmental Health and Preventive Medicine

Fig. 3

From: Lowest observed adverse effect level of pulmonary pathological alterations due to nitrous acid exposure in guinea pigs

Fig. 3

Effect of HONO exposure on the respiratory tract observed under light microscopy using Elastica van Gieson and transmission electron microscopy (TEM). a The terminal bronchiole and alveolar duct regions. b The alveolar regions. c Interstitium of alveolar duct regions under TEM. Arrows in the L, M, and H groups indicate smooth muscle cells that have abundant mitochondria and intermediate microfilaments

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Environmental Health and Preventive Medicine

ISSN: 1347-4715

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