Assertion: phalanx's base | /r/CapableOf | present oblique quadrilateral surface
Facets:
value: for articulation with the cuboid
type: PURPOSE
Source sentences:
text: The base presents an oblique quadrilateral surface for articulation with the cuboid; a smooth facet on the medial side, divided by a ridge into an anterior portion for articulation with the third metatarsal, and a posterior portion for articulation with the third cuneiform; on the lateral side a single facet, for articulation with the fifth metatarsal.