单词	incus
释义	incus /ˈɪŋkəs / 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. Origin Mid 17th century: from Latin, literally 'anvil'.
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