repeated i.d . injection doses of endotoxin lipopolysaccharide of e. coli at certain time intervals were found to give rise to the following changes in the inner ear in mice : in the organ of corti of the cochlea , there were noted degeneration and disappearance of the inner and outer hair cells of the lower turn , partly with a partial disappearance of nerve fibers in the osseous spiral lamina .
C0009195
cochlea
C1186235
osseous spiral