Assertion: malleus's head | /r/CapableOf | articulate with the incus
Facets:
Source sentences:
text: The stapes consists of a head which articulates with the incus, an arch that's formed by the posterior crus, and anterior crus, and an oval base or footplate, which occupies the vestibular window.
text: The head of the stapes articulates with the incus, which we'll add to the picture.
text: The stapes is described as having a base, resting on the oval window, as well as a head that articulates with the incus.