Origin
The sphenoid bone and the pharyngotympanic tube.
Insertion
Malleus
Blood supply
The superior tympanic artery.
Nerve supply
Trigeminal nerve.
Action
The tensor tympani helps to reduce certain sounds like the ones made by the act of chewing.
Disease/Injury
Tensor tympani myoclonus is a disease condition in which you may have the sensation of butterflies in the ear.
Hyperacusis is another condition in which the patient is not able to tolerate sound in a normal manner.
Interesting facts
NA
