The torus tubarius (or torus of the auditory tube) is an elevation of the mucous membrane of the nasal part of the pharynx formed by the underlying base of the cartilaginous portion of the Eustachian tube (auditory tube). The torus tubarius is situated behind the …

Jul 23, 2019 · Torus tubarius (plural: tori tubarii) or cushion of the auditory canal is a mucosal elevation in the lateral aspect of the nasopharynx, formed by the underlying pharyngeal end of the cartilaginous portion of the Eustachian tube. The opening of …

Apr 18, 2024 · The torus tubarius, also known as the torus or cushion of the auditory tube, is an elevation of the mucous membrane in the nasopharynx. It is formed by the base of the cartilaginous portion of the auditory (Eustachian) tube.

Apr 10, 2019 · Torus tubarius: Torus tubarius is the medial cartilaginous extension of the auditory (eustachian) tube which forms a protrusion on the lateral wall of the nasopharynx at the superior and posterior aspects of the opening of the auditory tube.

The torus palatinus is generally agreed to be the most common oral exostosis and is more frequently found in females. The torus mandibularis is also quite common, is more prevalent in males, and occurs bilaterally in 80% of cases.

Communication with the oral cavity is by means of the velopharyngeal port. On each lateral wall pletely within the petrous portion of the temporal bone and is directly continuous with the anterior wall of. is a prominence, the torus tubarius, which protrudes into the nasopharynx. Within this prominence is the the superior portion of the middle ear.

On the lateral wall of the nasal part of the pharynx is the pharyngeal ostium of the auditory tube, somewhat triangular in shape, and bounded behind by a firm prominence, the torus tubarius (cushion), caused by the medial end of the cartilage of …

Aug 8, 2018 · Torus tubarius or cushion of the auditory canal is a mucosal elevation in the lateral aspect of the nasopharynx, which is formed by the underlying pharyngeal end of the cartilaginous portion of the Eustachian tube behind the pharyngeal orifice of the tube.

The Eustachian tube has three functions: (1) clearance of secretions from the middle ear into the nasopharynx, (2) protection of the middle ear from nasopharyngeal pathogens, and (3) equalization of pressure between the atmospheric pressure (in the nose) and middle ear pressure.

Torus tubarius refers to a prominence of tissue that protects the opening of the eustachian tube in the nasopharynx. It is a partial ring of tissue that can be penetrated by infected nasal drainage from chronic sinusitis.