incus incus the incus (plural incudes) or anvil is a bone in the middle ear. the anvil-shaped small bone is one of three ossicles in the middle ear. the incus receives vibrations from the malleus, to which it is connected laterally, and transmits these to the stapes medially. the incus is so-called because of its resemblance to an anvil (latin: incus). incusleft incus. a. from within. b. from the front.auditory tube, laid open by a cut in its long axis.detailspronunciation/ˈɪŋkəs/precursor1st branchial archpart ofmiddle eararticulationsincudomalleolar and incudostapedial jointidentifierslatinincusmeshd007188ta98a15.3.02.038ta2888fma52752anatomical terms of bone this article is one of a series documenting the anatomy of thehuman ear outer ear auricle ear canal middle ear tympanic membrane ossicles malleus incus stapes inner ear vestibules utricle saccule cochlea semicircular canals structure