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(a) In the lining of the small intestine, columnar epithelium cells are interspersed with goblet cells. (b) The arrows in this micrograph point to the mucous-secreting goblet cells.

Simple epithelial tissue is organized as a single layer of cells and stratified epithelial tissue is formed by several layers of cells.

The three basic types of cell-to-cell junctions are tight junctions, gap junctions, and anchoring junctions.

The stages of cell division oversee the separation of identical genetic material into two new nuclei, followed by the division of the cytoplasm.

A lung cell from a newt, commonly studied for its similarity to human lung cells, is stained with fluorescent dyes. The green stain reveals mitotic spindles, red is the cell membrane and part of the cytoplasm, and the structures that appear light…