mesenteric plexus

noun

Medical Definition of mesenteric plexus

: either of two plexuses of the sympathetic nervous system lying mostly in the mesentery in close proximity to and distributed to the same structures as the corresponding mesenteric arteries:
a : one associated with the inferior mesenteric artery

called also inferior mesenteric plexus

b : a subdivision of the celiac plexus that is associated with the superior mesenteric artery

called also superior mesenteric plexus

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