Tantanin “columnar cell” yana nufin nau’in tantanin halitta mai tsayi, kunkuntar siffa mai tsayi wanda ya fi fadinsa girma. Ana samun waɗannan ƙwayoyin sau da yawa a cikin kyallen takarda waɗanda ke layi ga gabobin jiki ko ramukan jiki, irin su gastrointestinal tract ko na numfashi. Kwayoyin columnar na iya samun na'urori na musamman akan saman su, kamar cilia ko microvilli, waɗanda ke taimaka musu aiwatar da takamaiman ayyuka. Kalmar “columnar” ta fito ne daga kalmar Latin “columna,” wanda ke nufin “ginshiƙi” ko “ginshiƙi,” kuma yana nufin siffar tantanin halitta.