*3.1.2.1 Splanchnic "sympathetic" nerves*

Their noradrenergic fibers within the wall of the GI tract arise from cell bodies embedded in the prevertebral sympathetic ganglia. The major "sympathetic" projections to the large intestine originate from the inferior mesenterial ganglia and the remaining noradrenergic fibers to the rectum are provided by the pelvic ganglia.
