Two folds run anteriorly and posteriorly to the torus tubarius: the salpingopalatine fold (anteriorly), and the salpingopharyngeal fold (posteriorly).
There are two folds that run along both sides of the torus tubarius, one facing forward (anteriorly) and the other facing backward (posteriorly). The salpingopalatine fold is located in front, while the salpingopharyngeal fold is situated at the back.