Sympathetic chain ganglia.Clusters of ganglionic sympathetic neurons lying along either side of the spinal cord
The sympathetic ganglia, or paravertebral ganglia are autonomic ganglia, of the sympathetic nervous system. Ganglia are 20,000 to 30,000 afferent and efferent nerve cell our bodies that run along on both side of the spinal cord.
The sympathetic ganglia include the segmental paravertebral ganglia (sympathetic chain) positioned near the intervertebral foramina along the vertebral column and the prevertebral ganglia (including celiac and mesenteric ganglia) positioned within the abdominal hollow space ventral to the vertebral column and close to the dorsal aorta
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