Assertion: skull's bone | /r/HasProperty | fused
Facets:
value: together
type: MANNER
value: into a single structure
type: OTHER
value: in mammals
type: OTHER
value: not always
type: DEGREE
value: often
type: TEMPORAL
Source sentences:
text: In mammals, these various bones are often (though not always) fused into a single structure; the sphenoid.
text: The skull is composed of 22 bones that are fused together except for the mandible.