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. 2020 Nov 30;128(11):117009. doi: 10.1289/EHP7255

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EHP is an open-access journal published with support from the National Institute of Environmental Health Sciences, National Institutes of Health. All content is public domain unless otherwise noted.

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Figure 4 is a set of four light photomicrographs of centriacinar lesions, namely, K K A y after air, K K A y after ozone, uppercase C 57 black 6 after ozone, and K K after ozone. In the light photomicrographs, three tissues stained with hematoxylin and eosin, namely, terminal bronchiole, alveolar duct, and alveolus can be seen. — Histology of terminal airways in C57BL/6J, KK and KKAy mice. Light photomicrographs of centriacinar lesions (arrows, asterisk) in the lungs of KKAy, KK, and C57BL/6 mice exposed to $O_{3}$ . Tissues stained with hematoxylin and eosin. Note: Representative sections from the representative groups. a, alveolus; ad, alveolar duct; tb, terminal bronchiole.