HISTOLOGY
EPITHELIAL TISSUE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Finger-like extensions of plasma membrane of apical epithelial cells, increase surface area, aid in absorption, exist on every moist epithelial, but most dense in small intestine and kidney
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microvilli
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cilia
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flagella
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hairs
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Explanation:
Detailed explanation-1: -The lining of the small intestinal mucosa is very highly specialized for maximizing digestion and absorption of nutrients. The lining is highly folded to form microscopic finger-like projections called villi which increase the surface area to help with absorption.
Detailed explanation-2: -Microvilli: Microvilli are non-motile (they don’t move) finger-like structures on the surface of epithelial cells that function to increase the cell’s surface area so that it can better absorb substances.
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