On the lateral wall of the nasal part of the pharynx
is the pharyngeal opening of auditory tube
), somewhat triangular in shape, and bounded behind by a firm prominence, the torus or cushion, caused by the medial end of the cartilage of the tube which elevates the mucous membrane
- Czerwonka R, Złomaniec J, Semczuk B (1995). "[The endoscopic assessment of the pharyngeal opening of the auditory tube in recurrent exudative otitis media in children]". Otolaryngol Pol 49 (5): 426–30.