Lung, Alveolar/Bronchiolar Epithelium - Hyperplasia - Gallery

Lung, Alveolar/bronchiolar epithelium - Hyperplasia in a male B6C3F1/N mouse from a chronic study. This low-magnification image shows the distribution of the lesion.

Lung, Alveolar/bronchiolar epithelium - Hyperplasia in a male B6C3F1/N mouse from a chronic study. This lesion occurs adjacent to bronchioles and alveolar ducts.

Lung, Alveolar/bronchiolar epithelium - Hyperplasia in a male B6C3F1/N mouse from a chronic study (higher magnification of Figure 2). The majority of the cells are not ciliated, but some are (arrows).