What does simple columnar epithelial tissue refer to? Tissue with A. a single layer of cells longer than they are wide. B. a single layer of cells whose length, breadth and depth are about the same size. C. several layers of cells, all of the same type. D. several layers of cells but without a basement membrane
Option A. simple = one layer. Columnar means oblong or shaped like a column. So, Simple columnar epithelial tissue refer to a single layer of cells longer than they are wide.
