central nervous system

initialism: CNS
https://doi.org/10.1351/goldbook.10501

Part of an animal’s nervous system that exerts control over the rest of the nervous system; in vertebrates, the brain and spinal cord protected within the dorsal body cavity (cranial and spinal cavities).

Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 734 [Terms] [Paper]