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isthmus of pharyngotympanic tube


Definition: the narrowest portion of the auditory tube at the junction of the cartilaginous and bony portions.

Synonym(s): isthmus tubae auditivaeTA, isthmus tubae auditoriae, isthmus of auditory tube, isthmus of eustachian tube

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.