[Electron microscopic study of the epithelial cell of the mucosa of the maxillary sinus].
D000818:Animals; D002908:Chronic Disease; D008443:Maxillary Sinus / Q000473:pathology*; D008854:Microscopy, Electron; D009092:Mucous Membrane / Q000473:pathology; D012852:Sinusitis / Q000473:pathology