Assertion: parietal bone's border | /r/CapableOf | join occipital scale
Facets:
value: to form lambdoid suture
type: PURPOSE
value: to form the parietooccipital
type: PURPOSE
Source sentences:
text: the posterior border joins the occipital scale to form the parietooccipital or lambdoid suture (because it is shaped like the Greek letter lambda)