Tags: Anatomical Structure, Nerve.
Thoracic splanchnic nerves are splanchnic nerves that arise from the sympathetic trunk in the thorax and travel inferiorly to provide sympathetic innervation to the abdomen. The nerves contain preganglionic sympathetic and visceral afferent fibers.There are three main thoracic splanchnic nerves:The nerve’s origins can be remembered by the 4-3-2 rule accounting for the number of ganglia giving rise to each nerve.
