gms | German Medical Science

Figure

Figure 4: Transnasal endoscopic view (70° optic) into the right-sided nasopharynx. In the nasopharynx the pharyngeal ostium of the Eustachian tube is found (arrow 1). Posterior-superior is the torus tubarius (arrow 2) that limits the ostium. In dorsal direction, the fossa of Rosenmüller is found (arrow 3).