单词	locus coeruleus
释义	locus coeruleus noun locus coe·​ru·​le·​us -si-ˈrü-lē-əs  variants or less commonly locus ceruleus : a bluish area of the brain stem with many norepinephrine-containing neurons Example Sentences Recent Examples on the Web Dysfunction of the locus coeruleus, and the resulting breakdown of organized brain activity, has been related to several conditions, including Alzheimer’s disease and attention deficit hyperactivity disorder. Jason S. Tsukahara, Scientific American, 2 June 2021 Similarly, different types of fibers travel to different places, including a part of the brain called the locus coeruleus. Maddie Bender, Scientific American, 10 June 2021 One hypothesis is that people who have larger pupils at rest have greater regulation of activity by the locus coeruleus, which benefits cognitive performance and resting-state brain function. Jason S. Tsukahara, Scientific American, 2 June 2021 Pupil size is related to activity in the locus coeruleus, a nucleus situated in the upper brain stem with far-reaching neural connections to the rest of the brain. Jason S. Tsukahara, Scientific American, 2 June 2021 Word History Etymology New Latin, literally, dark blue place First Known Use 1852, in the meaning defined above Medical Definition locus coeruleus noun lo·​cus coe·​ru·​le·​us variants also locus ceruleus ˌlō-kə(s)-si-ˈrü-lē-əs  plural loci coerulei also loci cerulei -lē-ˌī  : a blue area of the brain stem with many norepinephrine-containing neurons
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