title: Vascular changes in middle ear effusions.
mesh_terms: D000818:Animals; D002199:Capillary Permeability; D002244:Carbon / Q000097:blood; D004195:Disease Models, Animal; D004432:Ear, Middle / Q000098:blood supply / Q000378:metabolism / Q000473:pathology; D005064:Eustachian Tube / Q000601:surgery; D005122:Exudates and Transudates; D006168:Guinea Pigs; D000882:Haplorhini; D008407:Mast Cells; D009092:Mucous Membrane / Q000098:blood supply / Q000378:metabolism / Q000473:pathology; D010033:Otitis Media / Q000503:physiopathology*; D012704:Serous Membrane; D013997:Time Factors
chemical_list: D002244:Carbon