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| su·pra·chi·as·mat·ic nu·cle·us [ sprə kī əz màttik nklee əss ] (plural su·pra·chi·as·mat·ic nu·cle·i or su·pra·chi·as·mat·ic nu·cle·us·es) |
noun |
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part of brain: an area in the front part of the hypothalamus, on the underside of the brain, responsible for maintaining the circadian rhythm
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