The lumbar splanchnic nerves are splanchnic nerves that arise from the lumbar ganglia (the lumbar part of the sympathetic trunk)[1] and travel to an adjacent plexus near the aorta. They originate from L1 and L2.[citation needed] Together with fibres from the aortic plexus, they form the superior hypogastric plexus.[1]
These nerves contain preganglionic sympathetic and general visceral afferent fibers.[citation needed]
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.[citation needed]
References
- ^ a b Sinnatamby, Chummy (2011). Last's Anatomy (12th ed.). p. 281. ISBN 978-0-7295-3752-0.
External links
- figures/chapter_32/32-6.HTM: Basic Human Anatomy at Dartmouth Medical School
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Category
Commons
