title: Middle ear mucosa.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004432:Ear, Middle / Q000033:anatomy & histology*; D004848:Epithelium / Q000033:anatomy & histology*; D005260:Female; D005333:Fetus; D006025:Glycosaminoglycans; D006801:Humans; D066298:In Vitro Techniques; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008853:Microscopy; D008875:Middle Aged; D009092:Mucous Membrane / Q000033:anatomy & histology*; D013194:Staining and Labeling; D013701:Temporal Bone / Q000033:anatomy & histology*
chemical_list: D006025:Glycosaminoglycans