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The paravertebral ganglia, also termed the sympathetic chain or trunk, are a series of ganglia which lie in a line lateral and parallel to the vertebral bodies of the spinal column. The ganglia are interconnected to each other and extend from the base of the skull to the sacrum. They make contact with:
The passage of efferent and afferent pre- and postganglionic fibres through the ganglia is considered in the submenu.
There are regional specialisations of the ganglia: