[Defense mechanism of cochlear aqueduct to infection--scanning electron microscopic study].
D000818:Animals; D003051:Cochlea / Q000648:ultrastructure*; D003052:Cochlear Aqueduct / Q000648:ultrastructure*; D006168:Guinea Pigs; D008855:Microscopy, Electron, Scanning; D010587:Phagocytosis; D013203:Staphylococcal Infections / Q000473:pathology*