columnar : Idioms & Phrases
columnar cell
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noun an epithelial cell that is shaped like a column; some have cilia
columnar cell.
WordNet
columnar epithelial cell
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noun an epithelial cell that is shaped like a column; some have cilia
columnar cell.
WordNet
Columnar epithelium
(Anat.) , epithelium in which the cells are priismatic in form, and set upright on the surface they cover.
Webster 1913
Columnar structure
(Geol.) , a structure consisting of more or less regular columns, usually six-sided, but sometimes with eight or more sides. The columns are often fractured transversely, with a cup joint, showing a concave surface above. This structure is characteristic of certain igneous rocks, as basalt, and is due to contraction in cooling.
