Source:http://linkedlifedata.com/resource/umls/id/C0018777
MSH: Hearing loss due to interference with the mechanical reception or amplification of sound to the COCHLEA. The interference is in the outer or middle ear involving the EAR CANAL; TYMPANIC MEMBRANE; or EAR OSSICLES.,CSP: involves lesions of the external and middle ear resulting in malconduction of airborne sound.,NCI: Hearing loss caused by a problem in the outer ear or middle ear. Conductive losses usually affect all frequencies to the same degree. These losses are not usually severe.