sympathetic ganglionic chain

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A string of ganglia running down each side of the spinal cord throughout most of its length, containing cell bodies of neurons that belong to the sympathetic nervous system and that project axons to muscles and glands, controlling the smooth muscles of the blood vessels, eyelids, hair follicles, sweat, tear, and salivary glands, respiratory organs, irises, and also the heart and other organs. Also called the chain ganglia or sympathetic trunk. [From Greek syn with + pathos suffering + ganglion a cystic tumour]

Subjects: Psychology.

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