Terminal bronchiole
Club cells first appear in the terminal bronchiole and continue in respiratory bronchioles. They are not ciliated and their apical ends bulge into the lumen of the airway. They protect the epithelium by degrading inhaled toxins and secreting a lipoprotein that prevents luminal adhesion. Club cells also serve as progenitors for themselves and ciliated cells. 600x
Club cells
Club cells first appear in the terminal bronchiole and continue in respiratory bronchioles. They are not ciliated and their apical ends bulge into the lumen of the airway. They protect the epithelium by degrading inhaled toxins and secreting a lipoprotein that prevents luminal adhesion. Club cells also serve as progenitors for themselves and ciliated cells. 600x
- Secretory granules
Club cells first appear in the terminal bronchiole and continue in respiratory bronchioles. They are not ciliated and their apical ends bulge into the lumen of the airway. They protect the epithelium by degrading inhaled toxins and secreting a lipoprotein that prevents luminal adhesion. Club cells also serve as progenitors for themselves and ciliated cells. 600x
Ciliated cells
Club cells first appear in the terminal bronchiole and continue in respiratory bronchioles. They are not ciliated and their apical ends bulge into the lumen of the airway. They protect the epithelium by degrading inhaled toxins and secreting a lipoprotein that prevents luminal adhesion. Club cells also serve as progenitors for themselves and ciliated cells. 600x
Smooth muscle
Club cells first appear in the terminal bronchiole and continue in respiratory bronchioles. They are not ciliated and their apical ends bulge into the lumen of the airway. They protect the epithelium by degrading inhaled toxins and secreting a lipoprotein that prevents luminal adhesion. Club cells also serve as progenitors for themselves and ciliated cells. 600x
Image source >
This image was taken of a slide in the University of Michigan collection.
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