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Bronchiolar epithelium

Scanning electron microscope image of lung epithelium, which consists of ciliated and non-ciliated bronchiolar cells.There are red blood cells on the surface of the epithelium.

Respiratory epithelium is a type of epithelium found lining the respiratory tract, where it serves to moisten and protect the airways. It also functions as a barrier to potential pathogens and foreign particles, preventing infection and tissue injury by action of the mucociliary escalator.

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