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Prevertebral ganglia

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Title: Prevertebral ganglia  
Author: World Heritage Encyclopedia
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Subject: Sympathetic nervous system, Splanchnic nerves, Autonomic nervous system, Collateral, Neurogastroenterology
Collection: Sympathetic Nervous System
Publisher: World Heritage Encyclopedia

Prevertebral ganglia

Prevertebral ganglia
Abdominal portion of the sympathetic trunk, with the celiac plexus and hypogastric plexus.
The celiac ganglia with the sympathetic plexuses of the abdominal viscera radiating from the ganglia.
Anatomical terminology

Prevertebral ganglia (or collateral ganglia,[1] or preaortic ganglia[2]) are sympathetic ganglia which lie between the paravertebral ganglia and the target organ.


  • Function 1
  • Physiology 2
  • Examples 3
  • See also 4
  • Additional images 5
  • References 6
  • External links 7


Similar to the paravertebral ganglia, the prevertebral ganglia are the nodules where preganglionic neurons synapse with their postganglionic counterparts. The nerves that synapse in the prevertebral ganglia innervate the pelvic viscera. Some of the targets present in the pelvic viscera include the enteric nervous system, as well as the renal system, bladder, and any other organs present in the abdomen.


Nerves arising from the lateral horn of the spinal cord are those of the autonomic nervous system. They exit through the ventral root of the spinal cord, and continue through the ventral rami. At that point, they sharply branch to go through the white ramus communicans of the paravertebral body. Unlike the thoracic and cutaneous nerves, the ANS nerves destined for the pelvic viscera continue through the paravertebral ganglia without synapsing. Instead of synapsing, they continue through splanchnic nerves until they reach a prevertebral ganglia (located proximally to their target organ). Once inside the prevertebral ganglia, the individual neurons comprising the nerve synapse with their postganglionic neuron. The postganglionic nerve then proceed to innervate their targets (pelvic visceral organs).


These include

1. the celiac ganglia (which can include the aorticorenal ganglion),

2. superior mesenteric ganglia, and

3. inferior mesenteric ganglia.[3]

See also

Additional images


  1. ^ "". Retrieved 2007-10-22. 
  2. ^ "Primitive Gut Morphogenesis". Retrieved 2007-10-22. 
  3. ^ "The Posterior Abdominal Wall". Archived from the original on 2007-10-11. Retrieved 2007-10-22. 

External links

  • Physiology: 6/6ch2/s6ch2_30 - Essentials of Human Physiology

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