MICROANATOMY

Detailed explanation-1: -In the respiratory tract, the columnar epithelial tissue has cilia. These are hair like projections on the outer surface of the epithelial cells. This type of epithelium is known as ciliated columnar epithelium .

Detailed explanation-2: -The bronchus in the lungs are lined with hair-like projections called cilia that move microbes and debris up and out of the airways. Scattered throughout the cilia are goblet cells that secrete mucus which helps protect the lining of the bronchus and trap microorganisms.

Detailed explanation-3: -A pseudostratified epithelium may be further typified as either ciliated (with cilia) or non-ciliated (lacking cilia). Ciliated pseudostratified epithelium lines the trachea and parts of the upper respiratory tract. As for the non-ciliated type, it is exemplified by the membranous tissue lining the vas deferens.

Detailed explanation-4: -Cilia: Cilia are tiny, hair-like, motile (they can move) structures on the surface of the cell that help move entire cells or can move substances along the outer surface of the cell. Ciliated cells usually have hundreds of cilia on their surfaces.