Splanchnic Nerves - Types

Types

The term splanchnic nerves can refer to:

  • Cardiopulmonary nerves
  • Thoracic splanchnic nerves (greater, lesser, and least)
  • Lumbar splanchnic nerves
  • Sacral splanchnic nerves
  • Pelvic splanchnic nerves
Comparison
Nerve Pre-/postsynaptic autonomic system Origin Targets
Cardiopulmonary nerves Postsynaptic sympathetic cervical and upper thoracic ganglia Thoracic cavity
Thoracic splanchnic nerves generally Presynaptic lower thoracic ganglia Prevertebral ganglia
Greater splanchnic nerve T5-T9 or T10 Celiac ganglia
Lesser splanchnic nerve T10-T11 Superior mesenteric ganglia and Aorticorenal ganglia
Least splanchnic nerve T12 Renal plexus
Lumbar splanchnic nerves L1-2 Inferior mesenteric ganglia, ganglia of intermesenteric and hypogastric plexuses
Sacral splanchnic nerves sacral part of sympathetic trunk inferior hypogastric plexus and ganglia to the pelvic viscera
Pelvic splanchnic nerves parasympathetic S2-S4 intrinsic ganglia of descending and sigmoid colon, rectum, and inferior hypogastric plexus and ganglia to the pelvic viscera

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