The base of the cartilaginous
portion of the auditory tube
(eustachian tube, pharyngotympanic tube) lies directly under the mucous membrane
of the nasal part of the pharynx
, where it forms an elevation, the torus tubarius
, the torus of the auditory tube
, or cushion, behind the pharyngeal orifice of the tube. The torus tubarius is very close to the tubal tonsil
which is sometimes also called the tonsil of (the) torus tubarius
Equating the torus with its tonsil however might be seen as incorrect or imprecise.
Two folds run posteriorly and anteriorly:
This article incorporates text in the public domain from page 1043 of the 20th edition of Gray's Anatomy (1918)
This page was last edited on 12 February 2018, at 00:49.
under CC BY-SA license.