Incus

Friday, June 15, 2012

Also called anvil, the incus is one of the three small bones which constitute the ossicles. It is located between the malleus (hammer) and the stapes (stirrup). Having two processes called cruses, the incus is joined to the other two bones by ligaments. Vibrations picked up by the tympanic mambrane go through the malleus, incus, and stapes and into the cochlea through the fenestra ovalis (oval window).