It arises from the cartilaginous part of the auditory tube, and the adjacent great wing of the sphenoid. The tensor tympani is a muscle that is present in the middle ear. AA’ (two fibrous collagenic layers) B epidermis C mucous membrane D head of malleus E incus F stapes G tensor tympani H lateral process of malleus I Manubrium of malleus J stapedius muscle. Structure Insertion of the tensor tympani muscle onto the malleus. Because its reaction time is not fast enough, the muscle cannot protect against hearing damage caused by sudden loud sounds, like explosions or gunshots. Its role is to dampen loud sounds, such as those produced from chewing, shouting, or thunder. The tensor tympani is a muscle within the middle ear, located in the bony canal above the bony part of the auditory tube, and connects to the malleus bone.
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