Assertion: frontal bone's surface | /r/CapableOf | direct concave
Facets:
value: posteriorly
type: MANNER
Source sentences:
text: The temporal surface, directed posteriorly and medially, is concave, presenting medially a rough, triangular area, for articulation with the maxilla (articular surface), and laterally a smooth, concave surface, the upper part of which forms the anterior boundary of the temporal fossa, the lower a part of the infratemporal fossa.