Replacement of virus-destroyed epithelium by keratinized squamous cells in vitamin A-deprived chickens.
D000818:Animals; D002645:Chickens; D007633:Keratins; D008679:Metaplasia; D009297:Nasal Mucosa / Q000473:pathology*; D009521:Newcastle Disease / Q000473:pathology*; D014420:Turbinates; D014802:Vitamin A Deficiency / Q000473:pathology*
D007633:Keratins