The cuboidal epithelium is a type of epithelium containing cube-shaped cells. The various functions of this type of epithelium include protection, secretion, excretion, digestion, absorption, lubrication, sensory reception, reproduction etc. This type of functional activity depends on upon structurally diverse cell types and cell groupings. Cuboidal is a type of simple epithelium. It is the germinal epithelium covering the ovary. Ducts of many glands. It involves in secretion, absorption and excretion.