Assertion: rib's head | /r/HasAspect | single articular facet
Facets:
Source sentences:
text: The head is small and rounded, and possesses only a single articular facet, for articulation with the body of the first thoracic vertebra.
text: The head is small, rounded, and possesses only a single articular facet, for articulation with the body of the first thoracic vertebra.