<prompt> Gall bladder is lined byCiliated columnar cellsBrush bordered columnar epitheliumStriated columnar epitheliumPseudostratified columnar cells  <response>: Ans. b Brush bordered columnar epitheliumRef: BDC 6th edny vol. 11288-89B MICROVILLI When microvilli are of same height arranged regularly, they are termed as striated border, as observed in small intestine. If they are of irregular height, they will constitute the brush border as seen in gall bladder and proximal convoluted tubules of kidney - Grays anatomy. 