All of the following are true about the middle ear activity except
RELATIONS OF MIDDLE EAR: ROOF-Tegmen tympani FLOOR-Internal jugular vein ANTERIOR WALL-Internal carotid aery, canal for tensor tympani, tubal opening POSTERIOR WALL-Facial canal, aditus to antrum, MEDIAL WALL-Tympanic plexus, promontory, oval window, round window, pyramid LATERAL WALL-Tympanic membrane,chorda tympani nerve, incus, malleus Ref BDC volume 3,sixth edition