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list the inferior jugular wall of the tympanic cavity.
layer of bone overlying the superior bulb of the
internal jugular vein. Occasionally this wall is thickened by the presence of mastoid air
cells. Near the medial border of the floor is a small aperture through which the tympanic
branch of the glossopharyngeal nerve (IX) enters the middle ear.
internal jugular vein. Occasionally this wall is thickened by the presence of mastoid air
cells. Near the medial border of the floor is a small aperture through which the tympanic
branch of the glossopharyngeal nerve (IX) enters the middle ear.
