Congenital anomaly: Middle ear malformation.In this otoscopic view of a left ear, the pars tensa is intact but shows evidence of previous infection and healing with a two-layered membrane. The position of the chorda tympani nerve chorda tympani nerve (kor´d  tim´p is abnormally inferior. It is in a horizontal position horizontal position,n a posture in which the body lies flat and the feet and head remain on the same level. Also called supine. and has a larger-than-normal diameter. Conductive hearing loss Conductive hearing loss A type of medically treatable hearing loss in which the inner ear is usually normal, but there are specific problems in the middle or outer ears that prevent sound from getting to the inner ear in a normal way. is corrected by tympano-plasty. Extreme care to avoid any injury to the chorda tympani nerve during surgery must be taken because in an anomalous ear, a nerve that appears to be the chorda tympani The chorda tympani is a nerve that branches from the facial nerve (cranial nerve VII) inside the facial canal, just before the facial nerve exits the skull via the stylomastoid foramen. can sometimes contain significant motor facial nerves. Injury to the nerve could result in facial paralysis. |
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