Assertion: trapezoid | /r/HasAspect | external face
Facets:
value: for the trapezoid
type: TRANSITIVE-OBJECT
value: for the large bone
type: PURPOSE
Source sentences:
text: Triangular and slightly concave upper facet for articulation with the navicular; Lower facet convex in the transverse direction and markedly prolonged from front to back for articulation with the second metacarpal; for the trapezoid, it has an external face, convex; for the large bone, finally, an irregularly flat internal veneer