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Medical Term:

septum of pharyngotympanic (auditory) tube


Definition: a thin horizontal plate of bone forming two semicanals, the upper, smaller, for the tensor tympani muscle, and the lower, larger for the pharyngotympanic (auditory) tube; its termination in the middle ear is the processus cochleariformis.

Synonym(s): septum canalis musculotubarii, septum of musculotubal canal, septum tubae