[Ultrastructural study of the mucosa of the human paranasal sinuses in normal and pathological states].
D006801:Humans; D008854:Microscopy, Electron; D009092:Mucous Membrane / Q000166:cytology / Q000473:pathology; D010256:Paranasal Sinuses / Q000166:cytology* / Q000473:pathology; D012852:Sinusitis / Q000473:pathology*