Assertion: common iliac artery's branch | /r/CapableOf | enter ventral sacral foramina
Facets:
value: to supply the spinal meninges
type: PURPOSE
Source sentences:
text: They pass medially and descend downward anterior to the sacral ventral rami, giving branches that enter the ventral sacral foramina to supply the spinal meninges and the roots of the sacral nerves.