Digital Histology
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Transition of terminal to respiratory bronchiole

This transition shows the simple columnar ciliated epithelium of the terminal bronchiole continuing into simple cuboidal epithelium with scattered cilia of the respiratory bronchiole. Club cells are present in both passages, as are longitudinally arranged elastic fibers in lamina propria and a thin muscle layer. 400x

Terminal bronchiole <p>This transition shows the simple columnar ciliated epithelium of the terminal bronchiole continuing into simple cuboidal epithelium with scattered cilia of the respiratory bronchiole. Club cells are present in both passages, as are longitudinally arranged elastic fibers in lamina propria and a thin muscle layer. 400x</p>

Terminal bronchiole

This transition shows the simple columnar ciliated epithelium of the terminal bronchiole continuing into simple cuboidal epithelium with scattered cilia of the respiratory bronchiole. Club cells are present in both passages, as are longitudinally arranged elastic fibers in lamina propria and a thin muscle layer. 400x
Respiratory bronchiole <p>This transition shows the simple columnar ciliated epithelium of the terminal bronchiole continuing into simple cuboidal epithelium with scattered cilia of the respiratory bronchiole. Club cells are present in both passages, as are longitudinally arranged elastic fibers in lamina propria and a thin muscle layer. 400x</p>

Respiratory bronchiole

This transition shows the simple columnar ciliated epithelium of the terminal bronchiole continuing into simple cuboidal epithelium with scattered cilia of the respiratory bronchiole. Club cells are present in both passages, as are longitudinally arranged elastic fibers in lamina propria and a thin muscle layer. 400x
Simple columnar epithelium <p>This transition shows the simple columnar ciliated epithelium of the terminal bronchiole continuing into simple cuboidal epithelium with scattered cilia of the respiratory bronchiole. Club cells are present in both passages, as are longitudinally arranged elastic fibers in lamina propria and a thin muscle layer. 400x</p>

Simple columnar epithelium

This transition shows the simple columnar ciliated epithelium of the terminal bronchiole continuing into simple cuboidal epithelium with scattered cilia of the respiratory bronchiole. Club cells are present in both passages, as are longitudinally arranged elastic fibers in lamina propria and a thin muscle layer. 400x
Simple cuboidal epithelium <p>This transition shows the simple columnar ciliated epithelium of the terminal bronchiole continuing into simple cuboidal epithelium with scattered cilia of the respiratory bronchiole. Club cells are present in both passages, as are longitudinally arranged elastic fibers in lamina propria and a thin muscle layer. 400x</p>

Simple cuboidal epithelium

This transition shows the simple columnar ciliated epithelium of the terminal bronchiole continuing into simple cuboidal epithelium with scattered cilia of the respiratory bronchiole. Club cells are present in both passages, as are longitudinally arranged elastic fibers in lamina propria and a thin muscle layer. 400x
Cilia <p>This transition shows the simple columnar ciliated epithelium of the terminal bronchiole continuing into simple cuboidal epithelium with scattered cilia of the respiratory bronchiole. Club cells are present in both passages, as are longitudinally arranged elastic fibers in lamina propria and a thin muscle layer. 400x</p>

Cilia

This transition shows the simple columnar ciliated epithelium of the terminal bronchiole continuing into simple cuboidal epithelium with scattered cilia of the respiratory bronchiole. Club cells are present in both passages, as are longitudinally arranged elastic fibers in lamina propria and a thin muscle layer. 400x
Club cells <p>This transition shows the simple columnar ciliated epithelium of the terminal bronchiole continuing into simple cuboidal epithelium with scattered cilia of the respiratory bronchiole. Club cells are present in both passages, as are longitudinally arranged elastic fibers in lamina propria and a thin muscle layer. 400x</p>

Club cells

This transition shows the simple columnar ciliated epithelium of the terminal bronchiole continuing into simple cuboidal epithelium with scattered cilia of the respiratory bronchiole. Club cells are present in both passages, as are longitudinally arranged elastic fibers in lamina propria and a thin muscle layer. 400x
Elastic fibers <p>This transition shows the simple columnar ciliated epithelium of the terminal bronchiole continuing into simple cuboidal epithelium with scattered cilia of the respiratory bronchiole. Club cells are present in both passages, as are longitudinally arranged elastic fibers in lamina propria and a thin muscle layer. 400x</p>

Elastic fibers

This transition shows the simple columnar ciliated epithelium of the terminal bronchiole continuing into simple cuboidal epithelium with scattered cilia of the respiratory bronchiole. Club cells are present in both passages, as are longitudinally arranged elastic fibers in lamina propria and a thin muscle layer. 400x
Smooth muscle <p>This transition shows the simple columnar ciliated epithelium of the terminal bronchiole continuing into simple cuboidal epithelium with scattered cilia of the respiratory bronchiole. Club cells are present in both passages, as are longitudinally arranged elastic fibers in lamina propria and a thin muscle layer. 400x</p>

Smooth muscle

This transition shows the simple columnar ciliated epithelium of the terminal bronchiole continuing into simple cuboidal epithelium with scattered cilia of the respiratory bronchiole. Club cells are present in both passages, as are longitudinally arranged elastic fibers in lamina propria and a thin muscle layer. 400x
Main SlideTerminal bronchioleRespiratory bronchioleSimple columnar epitheliumSimple cuboidal epitheliumCiliaClub cellsElastic fibersSmooth muscle