Source:http://linkedlifedata.com/resource/umls/id/C0013453
MSH: The outer part of the hearing system of the body. It includes the shell-like EAR AURICLE which collects sound, and the EXTERNAL EAR CANAL, the TYMPANIC MEMBRANE, and the EXTERNAL EAR CARTILAGES.,CSP: includes the ear canal, the cartilages of the auricle (pinna) and the external acoustic meatus (auditory meatus).,NCI: The external part of the ear. (NCI),NCI: The external part of the ear.