Assertion: trapezium's surface | /r/HasProperty | triangular
Facets:
value: in appearance
type: OTHER
value: roughly
type: DEGREE
Source sentences:
text: The distal surface is triangular, with a palmar apex.
text: The proximal surface is triangular, smooth and convex, and articulates with the radius and adjacent carpal bones, namely the lunate, capitate, trapezium and trapezoid.
text: The proximal surface is triangular, smooth and convex, and articulates with the radius and adjacent carpal bones, namely the lunate, capitate, trapezium and trapezoid.
text: The articular surface of the distal radius is roughly triangular and concave in appearance, presenting two articular facets separated by a slight anteroposterior ridge.
text: The dorsal surface is triangular and rough for ligamentous attachment.