central_nervous_system has definitions from the fields of anatomy,zoology
1
[ noun ] (anatomy,zoology) the portion of the vertebrate nervous system consisting of the brain and spinal cord

Used in print

(James Thurber, "The Future, If Any, of Comedy,"...)

Like almost everybody else , he confused the heart , both as organ and as symbol , with the disturbed psyche , the deranged glands , and the jumpy central_nervous_system .

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