During evolution becomes the incus bone of the inner ear of mammals .
在进化的时候，会转变成哺乳动物内耳的砧骨。
3d Ct can vividly demonstrate the shape and spatial relationships of malleus and incus .
三维ct能生动地显示锤骨、砧骨的立体形态及空间关系。
Various types of ossicular injury may occur : incudostapedial or incudomalleolar joint separation , dislocation of the incus , dislocation of the malleoincudal complex , stapediovestibular dislocation , or fractures of the ossicles .
