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What is Cell lining of small intestine ? and explain in detail?
Simple columnar epithelium : It is made up of tall columnar cells. Simple columnar cells may be :i) Simple columnar epithelium (without cilia and microvilli) : Lining of stomach, large intestine, collecting duct and cervical canal.ii) Columnar epithelium with striated border (regularly arranged microvilli) : Lining of small intestine.iii) Columnar epithelium with brush border (irregularly placed microvilli) : Lining of gall bladder.iv) Ciliated columnar epithelium (presence of cilia) : Lining of uterus, fallopion tube, eustachian tube, tympanic cavity and central canal of spinal cord and ventricles.