moraxella catarrhalis bacterium as a cause of otitis media

otitis media moraxella ear human branhamella inflammation medicine catarrhalis bacteria eustachian infection fluid tympanic cochlea medical membrane sound auditory cavity eardrum inner tube sense anatomy canal hear disease middle sensory illustration microbe microorganism pus purulent aom acute suppurative chronic ome effusion csom bacterial gramnegative pathogenic coccobacillary boy child kid