noun (plural incudes /ˈɪŋkjʊdiːz/ /ɪnˈkjuːdiːz/)Anatomy
A small anvil-shaped bone in the middle ear, transmitting vibrations between the malleus and stapes.
- The air pressure on either side of the eardrum is normally kept equal for proper functioning of the middle ear structures, namely the malleus, incus and stapes bones.
- The most common form of ossicular chain lesion following head injury is separation of the incudostapedial joint while fractures of the malleus, incus or stapes are described as uncommon.
- Mammals hear sounds after they are transmitted from the outside world to their inner ears by a chain of three bones, the malleus, incus, and stapes.
Mid 17th century: from Latin, literally 'anvil'.
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