Queried GO terms:

  idGO:0002069   Detailed information
  namecolumnar/cuboidal epithelial cell maturation
  namespacebiological_process
  def"The developmental process, independent of morphogenetic (shape) change, that is required for a columna/cuboidal epithelial cell to attain its fully functional state. A columnar/cuboidal epithelial cell is a cell usually found in a two dimensional sheet with a free surface. Columnar/cuboidal epithelial cells take on the shape of a column or cube." [GOC:dph]
  is_aGO:0002070 ! epithelial cell maturation
  relationshippart_of GO:0002066 ! columnar/cuboidal epithelial cell development

No monarch genes has this GO term.