title: Middle ear effusions: definitions.
abstract: Evolution of nomenclature used in middle ear effusions for the last hundred years is researched and followed. It is concluded that in the light of present knowledge the term sero-mucous otitis media is the most appropriate for the nonpurulent effusions here under discussion.
mesh_terms: D004432:Ear, Middle / Q000473:pathology; D005122:Exudates and Transudates; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010033:Otitis Media / Q000145:classification* / Q000266:history / Q000473:pathology; D009626:Terminology as Topic; D006113:United Kingdom; D014481:United States