locus coeruleus

locus coe·​ru·​le·​us | \ -si-ˈrü-lē-əs How to pronounce locus coeruleus (audio) \
variants: or less commonly locus ceruleus

Definition of locus coeruleus

: a bluish area of the brain stem with many norepinephrine-containing neurons

First Known Use of locus coeruleus

1852, in the meaning defined above

History and Etymology for locus coeruleus

New Latin, literally, dark blue place

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Time Traveler for locus coeruleus

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The first known use of locus coeruleus was in 1852

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Cite this Entry

“Locus coeruleus.” Dictionary, Merriam-Webster, Accessed 29 Nov. 2020.

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More Definitions for locus coeruleus

locus coeruleus

lo·​cus coe·​ru·​le·​us
variants: also locus ceruleus \ ˌlō-​kə(s)-​si-​ˈrü-​lē-​əs How to pronounce locus ceruleus (audio) \
plural loci coerulei also loci cerulei\ -​lē-​ˌī How to pronounce loci cerulei (audio) \

Medical Definition of locus coeruleus

: a blue area of the brain stem with many norepinephrine-containing neurons

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