The Ventral Rami of Spinal Nerves Form the Major Nerve

Question

The ventral rami of spinal nerves form the major nerve plexuses.
A) T2 through T12
B) C1 through T1
C) C1 through T1 and L1 through S4
D) L1 through S4

Accepted Answer

The ventral rami of spinal nerves form the major nerve plexuses, except for the area of T2 through T12. Specifically, the cervical plexus is formed by C1 through T1, and the brachial, lumbar, sacral, and coccygeal plexuses are formed by the ventral rami of L1 through S4.