Abdominal viscera are supplied by a large prevertebral plexus
Innervation of the abdominal viscera is derived from a large prevertebral plexus associated mainly with the anterior and lateral surfaces of the aorta (Fig. 4.20). Branches are distributed to target tissues along vessels that originate from the abdominal aorta.
The prevertebral plexus contains sympathetic, parasympathetic, and visceral sensory components: