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Lumbar splanchnic nerves

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Title: Lumbar splanchnic nerves  
Author: World Heritage Encyclopedia
Language: English
Subject: Splanchnic nerves, Internal sphincter muscle of urethra, Nerves, Hindgut, Sigmoid colon
Publisher: World Heritage Encyclopedia

Lumbar splanchnic nerves

Lumbar splanchnic nerves
Latin nervi splanchnici lumbales
Anatomical terms of neuroanatomy

The lumbar splanchnic nerves are splanchnic nerves that arise from the lumbar part of the sympathetic trunk and travel to an adjacent plexus near the aorta. They originate from L1 and L2.

These nerves contain preganglionic sympathetic and general visceral afferent fibers.

The site of synapse is found in the inferior mesenteric ganglion and the postsynaptic fibers innervate the smooth muscle and glands of the pelvic viscera and hindgut.

External links

  • figures/chapter_32/32-6.HTM — Basic Human Anatomy at Dartmouth Medical School

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