<prompt> A patient presented with acute abdominal pain. On clinical suspicion the pt. underwent cholecystectomy. On histopathological examination the finding is normal. The gallbladder epithelium will beSquamous epitheliumSimple columnar with brush borderSimple columnarSimple columnar with sterocilia  <response>: Inderbir Singh;s Human Histology Seventh edition Pg A30 The mucous membrane of gallbladder is lined with simple columnar epithelium with brush border 