Assertion: ulna's surface | /r/HasProperty | smooth
Facets:
Source sentences:
text: Its posterior surface, directed backward, is triangular, smooth, subcutaneous, and covered by a bursa.
text: Its anterior surface is smooth, concave, and forms the upper part of the semilunar notch.
text: Its upper surface is smooth, concave, and forms the lower part of the semilunar notch.
text: The carpal articular surface is triangular, concave, smooth, and divided by a slight antero-posterior ridge into two parts.
text: articular surface is triangular, concave, smooth, and divided by a slight antero-posterior ridge into two parts.
text: The carpal articular surface is triangular, concave, smooth, and divided by a slight anteroposterior ridge into two parts.
text: The posterior surface of the distal half of the body is smooth and rounded from side to side and somewhat flattened distally, where the whole body tends to incline forwards.