Medical Definition of thoracic ganglion
: any of the ganglia of the sympathetic chain in the thoracic region that occur in 12 or fewer pairs
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“Thoracic ganglion.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/thoracic%20ganglion. Accessed 7 Jul. 2022.
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