(biology) the process of assembling an epithelium from non-epithelial cells, such as in the process of mesenchymal-to-epithelial transition.
epithelium
(anatomy) A membranous tissue composed of one or more layers of cells which forms the covering of most internal and external surfaces of the body and its organs: internally including the lining of vessels and other small cavities, and externally being the skin.
“the passenger's roving eyes paused for a moment as he listened inwardly to a nether itch, which he supposed to be (correctly, thank Log) only a minor irritation of the epithelium.”
“Cells are attached to adjacent cells by junctional complexes in the lateral membranes, and form a polarized epithelium.”
“In some areas, the glandular epithelium showed squamous and transitional cell metaplasia.”
“Gummatous lesions occur on the lips, and are liable to be mistaken for epithelioma.”
“A number of examples of tumors with some malignant features exist, for example, oyster epithelioma, neurofibromas, sarcomas, and leukocytic neoplasms.”
“Both of these affections are liable in about one-third of the cases to terminate in epithelioma.”