has part has part columnar/cuboidal epithelial cell epithelium columnar epithelium UBERON:0012274 An epithelium that consists of columnar epithelial cells. Columnar epithelia are epithelial cells whose heights are at least four times their width. Columnar epithelia are divided into simple (or unilayered), and the rarer stratified (or multi-layered).[WP, modified]. Wikipedia:Columnar_epithelium