The vestibule of mouth (or oral vestibule) is the anteriormost portion of the oral cavity. It is the space between the cheek/lips and the teeth.[1]
Lip (Upper, Lower, Vermilion border, Frenulum of lower lip, Labial commissure of mouth, Philtrum)
Interdental papilla · Gingival sulcus · Gingival margin · Free gingival margin · Gingival fibers · Junctional epithelium · Mucogingival junction · Sulcular epithelium · Stippling
Oropharyngeal isthmus/Isthmus of the fauces
Soft palate (Uvula, Palatoglossal arch, Palatopharyngeal arch, Plica semilunaris of the fauces)
Tonsillar fossa
M: MOU
anat/devp
noco/cofa(c)/cogi/tumr, sysi
proc (peri), drug (A1)