Description
"A, columnar cells found lining various parts of the intestines (called columnar epthelium); B, cells of a fusiform or spindle shape found in the loose tissue under the skin and in other parts (called connective-tissue cells); C, cell having many processes or projections - such are found in some kinds of connective tissue; D, primitive cells composed of protoplasm with nucleus, and having no cell wall." — Blaisedell, 1904