A single layer of tall, thin cells. These large cells contain organelles that enable them to perform complex functions. In the intestines, it produces and secretes mucus and digestive enzymes. These often have cilia and microvilli on the surface. nonciliated simple columnar epithelium single layer of nonciliated column-like cells with nuclei near base of cells; contains goblet cells and cells with microvilli in some locations; function in secretion and absorption
Definition of copper. 1  any of various small butterflies of the family Lycaenidae having copper colored wings. 2  a reddish brown the color of polished copper. 3  uncomplimentary terms for a policeman.  a copper penny.
Pieces of copper. The definition of copper is of a reddish-brown, stretchable and metallic element, or something that is reddish-brown in color. An example of copper used as an adjective is in the phrase copper hair, which means reddish-brownish hair.opper-Computer Definition. A reddish-brown metallic element that is highly malleable, ductile, corrosion-resistant, and is an excellent conductor of electricity and heat. Only silver is a better conductor of electricity at room temperature.