tympanovestibular coupling

tym·pan·o·ves·tib·u·lar coup·ling

(tim'pă-nō-ves-tib'yū-lăr kŭp'ling)
A direct or indirect coupling between the tympanic structures (e.g., tympanic membrane, ossicles, and middle ear cavity) and a vestibular end organ; results in abnormal responsiveness of the vestibular end organ to pressure changes or sound vibrations transmitted from the tympanic structures.