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Lung - Hypertrophy, Smooth Muscle - Gallery

Image of hypertrophy, smooth muscle in the lung from a male F344/N rat in a chronic study
Lung, Bronchiole, Smooth muscle - Hypertrophy in a male F344/N rat from a chronic study. The smooth muscle around this bronchiole is markedly thickened; there is concurrent epithelial hyperplasia.
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.