What is columnar epithelium ??¿¿
class 10
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A simple columnar epithelium is a single layer of columnar cells attached to the basement membrane, with oval-shaped nuclei located in the basal region. In humans, a simple columnar epithelium lines most organs of the digestive tract including the stomach, small intestine, and large intestine.
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columnar epithelium:-
these are pillar like cells and are present at the place of absorption and secretion in stomach, small intestine, colon , gall bladder etc.
in respiratory tract please epithelium tissue also have cilia the movement of cilia pushes the mucus forward to clear the respiratory tract. these tissues are also known as ciliated columnar epithelium
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