Cilia vs Microvill
Difference between Cilia and Microvilli: Cilia and microvilli are special types of protuberances from the surface some eukaryotic cells with specific functions such as movement, sensory functions or facilitating absorption.
Cilia (singular – Cilium) are narrow and long hair like protuberances from the apical surface of some epithelial cells. Cilia are made up of microtubules with a length of 5 to 10 µm and 0.2 µm in diameter.
Microvilli (singular – Microvillus) are microscopic cellular membrane protrusions that increase the surface area for absorption. Numerous microvilli together act as a structure called ‘Brush Borders’. The brush borders are abundantly present on the epithelial cells of the small intestine where they facilitate the absorption.
The present post discusses the Difference between Cilia and Microvilli with a Comparison Table.
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Difference between Cilia and Microvilli
Sl. No. Cilia Microvilli 1 Cilia are narrow and long hair like structures arise from epithelial cells. Microvilli are membrane protuberances arise from epithelial cells. 2 Cilia arise from the basal granules. Basal granules are absent in microvilli. 3 Cilia are cylindrical with tapering ends. Microvilli are cylindrical with blunt ends. 4 Cilia are longer than microvilli. Microvilli are shorter than cilia. 5 Cilia are thinner than microvilli. Microvilli are thicker than cilia. 6 Cilia are NOT covered with glycocalyx. Microvilli usually covered with a coat of glycocalyx. 7 Cilia are motile, move back and forth to propel the fluid in one direction. Microvilli are not motile. 8 Cilia show 9 + 2 arrangement in its ultrastructure. Microvilli do not have 9 + 2 arrangement. 9 Cilia occur on the cell lining of the trachea and large bronchi. Microvilli occur on the cells lining of the small intestine. 10 Cilia do not have any role in absorption. Microvilli facilitate absorption. 11 Cilia does not increase the surface area of cells on which they are present Microvilli increase the surface area of cells on which they are present
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