torus tubarius

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to·rus tu·ba·'ri·us

a ridge in the nasopharyngeal wall posterior to the opening of the pharyngotympanic (auditory) tube, caused by the projection of the cartilaginous portion of this tube.

torus tubarius

an elevation of the rim of the pharyngotympanic tube where it projects into the nasopharynx. Posterior to the torus tubarius is a deep recess, the pharyngeal recess. Also called Eustachian cushion, tubal prominence.


Bartolommeo E., Italian anatomist, 1524-1574.
eustachian catheter - a catheter used for catheterization of the middle ear through the eustachian tube.
eustachian cushion - a ridge in the nasopharyngeal wall posterior to the opening of the eustachian tube. Synonym(s): torus tubarius
eustachian tonsil - a collection of lymphoid nodules near the pharyngeal opening of the auditory tube. Synonym(s): tubal tonsil
eustachian tube - a tube leading from the tympanic cavity to the nasopharynx. Synonym(s): auditory tube; tuba eustachiana; tuba eustachii
eustachian tuber - a slight projection from the labyrinthine wall of the middle ear below the fenestra vestibuli (ovalis).
eustachian valve - an endocardial fold extending from the anterior inferior margin of the inferior vena cava to the anterior part of the limbus fossa ovalis. Synonym(s): valve of inferior vena cava
tuba eustachiana - Synonym(s): eustachian tube
tuba eustachii - Synonym(s): eustachian tube
References in periodicals archive ?
In the cysts causing disturbing symptoms and growing towards the torus tubarius, an endoscopic endonasal or transoral approach can be performed.
But happily for some specific details terms like torus tubarius, choana etc.
The mass had originated in the posterior wall of the nasopharynx, and it had displaced the left torus tubarius laterally, obstructing the left eustachian tube (figure, D).
Endoscopic examination revealed a round polypoid mass above the left torus tubarius (figure, C).
1) The torus tubarius is the projecting posterior lip of the eustachian tube orifice and the mobile portion of the tubal ostium.
On fiberoscopy, we noted that the mass had extended to the right torus tubarius in the nasopharynx and to the level of the epiglottic tip on the lateral wall of the hypopharynx.
However, a re-examination of the scan showed a spur-like projection on the left torus tubarius (figure, B).
The patient was administered oroendotracheal general anesthesia, and she underwent a transnasal endoscopic excision of the torus tubarius lesion.
Clair forceps with mirror control to perform a superior adenoidectomy provides for a more precise excision and avoids injury to the torus tubarius.