Torus tubarius

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Torus tubarius
Auditory tube, laid open by a cut in its long axis. (Torus tubarius not labeled.)
Gray's subject #230 1043
Dorlands/Elsevier t_14/12813973

The base of the cartilaginous portion of the Eustachian tube lies directly under the mucous membrane of the nasal part of the pharynx, where it forms an elevation, the torus tubarius or cushion, behind the pharyngeal orifice of the tube.

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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.