The fine structure of vitamin A deficiency. I. Parotid duct metaplasia.
D000818:Animals; D000831:Animals, Newborn; D002417:Cattle; D004721:Endoplasmic Reticulum; D006056:Golgi Apparatus; D008297:Male; D008679:Metaplasia / Q000209:etiology*; D008854:Microscopy, Electron; D009093:Mucus / Q000378:metabolism*; D010306:Parotid Gland / Q000473:pathology*; D014802:Vitamin A Deficiency / Q000473:pathology*