\ɒtˈa͡ɪtɪs], \ɒtˈaɪtɪs], \ɒ_t_ˈaɪ_t_ɪ_s]\
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By DataStellar Co., Ltd
By Daniel Lyons
Inflammation of the mucous membrane of the ear, characterized by excruciating pain; intolerable humming in the ear, with a discharge of mucus generally from the meatus externus or from the Eustachian tube. When the inflammation is restricted to the lining membrane of the meatus, it is termed otitis catarrhalis. Otitis is divided into external and internal, according as it affects the meatus auditorius, or the cavity of the tympanum or internal ear. It may be acute or chronic. Acute otitis commonly terminates in a few days in a favourable manner, with the aid of antiphlogistics. Chronic otitis, otirrhoea, is almost always accompanied by a purulent discharge from the meatus auditorius. It is often incurable, and may ultimately give occasion to disease of the internal ear, and even of the brain.
By Robley Dunglison
By Willam Alexander Newman Dorland