Source:http://linkedlifedata.com/resource/umls/id/C0013455
MSH: The space and structures directly internal to the TYMPANIC MEMBRANE and external to the inner ear (LABYRINTH). Its major components include the AUDITORY OSSICLES and the EUSTACHIAN TUBE that connects the cavity of middle ear (tympanic cavity) to the upper part of the throat.,CSP: portion of the ear between the tympanic membrane and the cochlea, containing the tympanic cavity and its bones, the malleus, incus, and stapes.,NCI: The part of the ear including the eardrum and ossicles. The middle ear leads to the inner ear. (NCI),NCI: The part of the ear including the eardrum and ossicles. The middle ear leads to the inner ear.