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A schematic of a transverse section through the ET in the mid-cartilaginous section, as seen in the closed state, with the collapsed lumen shown in black. The mucosal folds in the inferior part of the lumen can be seen. ML medial lamina of the cartilage, LL lateral lamina, OFP Ostmann fat pad, TVPM tensor veli palatini muscle, LVPM levator veli palatini muscle. Orientation: AL antero-lateral, PM postero-medial
