vestibular adjective. [vɛ'stɪbjʊlǝ] M19.
[from VESTIBULE + -AR¹.]
Of or pertaining to a vestibule; resembling or serving as a vestibule; spec. in Anatomy, of or pertaining to the vestibule of the ear or its function as an organ of balance.
vestibular fold either of two folds of mucous membrane situated in the larynx above the vocal cords. vestibular membrane a thin membrane in the inner ear separating the scala vestibuli from the central duct of the cochlea; also called Reissner's membrane. vestibular nerve a branch of the vestibulocochlear nerve conveying information about orientation and posture.

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