Assertion: cervical plexus's rami | /r/CapableOf | form sacral plexus
Facets:
Source sentences:
text: The ventral rami of L 5 and S 1 –S 3 form the sacral plexus, with contributions from L 4 and S 4 .
text: Ventral rami of L4-S3 with parts of L4 and S4 spinal nerves form the Sacral plexus.