Incus Bone - Inner Ear, Auditory Ossicles - Bone Directory

What is the incus bone?  The name of the incus was assigned due to the shape of the bones body, which is supposedly anvil-shaped; however, it looks more like a premolar tooth with two divergent roots.  The incus is one of the three ossicles of the middle ear and is situated in the epitympanic recess of the tympanic cavity. It resembles an anvil or a bicuspid tooth and exhibits the following landmarks: Body, Long limb, Short limb, Lenticular process.  The body of the incus articulates with the head of the malleus and the lenticular process with the head of the stapes. It is attached to the posterior wall of the tympanic cavity by the short limb.

Anatomical structures of the Incus Bone: Body of Incus Incus: Facet for Malleus Lenticular Process of Incus Long Limb of Incus Short Limb of Incus