HISTOLOGY
EPITHELIAL TISSUE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The surface of the cells that is exposed to the environment
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Apical Surface
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Basement Membrane
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Cilia
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Microvili
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Explanation:
Detailed explanation-1: -The bottom edge of the epithelial tissue next to the basement membrane is the basal surface. In contrast, the edge of the epithelial tissue facing the lumen or the external environment is called the apical surface.
Detailed explanation-2: -Apical poles project towards the external surface or the lumen of an organ which epithelia cover, which is why they’re also called free surfaces or free domains. This pole may also show apical membrane specializations which alter the shape of this surface.
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