celiac plexus

The largest, superior portion of the abdominal aortic plexus. Structure: - it lies anterior to the aorta at the level of the celiac trunk (T12). - the celiac ganglia lie within the plexus. Function: - most sympathetic, parasympathetic & visceral afferent fibers innervating the abdominal viscera pass through this plexus. Origin: - it is formed from projections of the greater splanchnic nerve & vagus nerve & communicating branches to & from the superior mesenteric plexus & renal plexus & superior mesenteric ganglia & renal ganglia.

Related

renal plexus superior mesenteric plexus

References

Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999