Assertion: lateral recess | /r/HasProperty | three- sided structure
Facets:
Source sentences:
text: For example, the L4 nerve root exits the thecal sac at the L3-4 disc level, enters the lateral recess, which is a three- sided structure bound by the L4 pedicle medially, the L4 vertebral body anteriorly, and superior articular process of L4 posteriorly.