Assertion: pia mater | /r/CapableOf | anchor spinal cord
Facets:
value: to the coccyx
type: TRANSITIVE-OBJECT
Source sentences:
text: Filum Terminale - Inferior to the conus medullaris and emerging from the cauda equina, the filum terminale is an extension of the pia mater that anchors the spinal cord to the coccyx.