Khoom Piav Qhia Tus qauv tau tsim ntawm 7 ntu, suav nrog cov nruab nrab Sagittal ntu ntawm ntu ntawm Larynx, lub plawv hauv siab, sab laug thiab txoj hlab ntshav, thiab cov esophageal hiatus thiab Aortic Hiatus saum tus diaphragm, nrog tag nrho ntawm 51 qhia.