Term Name:	keratinization
Synonyms:
Definition:	The process in which the cytoplasm of the outermost cells of the vertebrate epidermis is replaced by keratin. Keratinization occurs in the stratum corneum, feathers, hair, claws, nails, hooves, and horns.
Ontology:	GO: Biological Process [GO:0031424]    QuickGO    AmiGO