Assertion: phalanx's head | /r/CapableOf | present trochlear surface
Facets:
value: for articulation with the second phalanx
type: PURPOSE
Source sentences:
text: The base is concave, and the head presents a trochlear surface for articulation with the second phalanx.
text: The base is concave, and the head presents a trochlear surface for articulation with the second phalanx.
text: The base is concave; and the head presents a trochlear surface for articulation with the second phalanx.
text: The base is concave; and the head presents a trochlear surface for articulation with the second phalanx.