title: The submucous layer of the middle ear in chronic otitis media. I. Secretory otitis media. A histological and ultrastructural study.
mesh_terms: D000293:Adolescent; D000328:Adult; D002196:Capillaries; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D003094:Collagen; D004432:Ear, Middle / Q000378:metabolism / Q000473:pathology*; D005122:Exudates and Transudates / Q000032:analysis; D005347:Fibroblasts; D006644:Histiocytes; D006801:Humans; D008407:Mast Cells; D008854:Microscopy, Electron; D012157:Mononuclear Phagocyte System; D009092:Mucous Membrane / Q000473:pathology*; D009504:Neutrophils; D010033:Otitis Media / Q000473:pathology*
chemical_list: D003094:Collagen