Assertion: ischium's spine | /r/HasProperty | formed
Facets:
value: from reinforced by ligaments
type: CAUSE
value: from 26 irregular bones
type: OTHER
Source sentences:
text: The spine is formed from 26 irregular bones connected and reinforced by ligaments in such a way that a flexible, curved structure results.
text: The spine is formed from connected and reinforced by ligaments in such a way that a flexible, curved structure results.