A short cylindroidal form of cell makes up columnar epithelium, seen typically in the cells covering the villi of the duodenum (Figure V.).
"Text Book of Biology, Part 1: Vertebrata" by H. G. Wells
Its epithelium is of the simple columnar type, the cells being long, with generally basally located nuclei.
"Development of the Digestive Canal of the American Alligator" by Albert M. Reese
It is lined with ciliated columnar epithelium.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition." by Alexander Miles
Intestinal epithelium, modified ciliated columnar.
"Journal of Entomology and Zoology" by Various
The secreting epithelium is columnar; and apparently of three different types of cells.
"Handbook of Medical Entomology" by William Albert Riley
It is lined by a markedly columnar epithelium.
"The Works of Francis Maitland Balfour, Volume 1" by Francis Maitland Balfour