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Locus coeruleus

Etymology:

Definition:

L. locus: "place, spot (a specific location)" + L. caeruleus: "having the color of the sky; blue or greenish-blue; cerulean, azure", name is derived from its azure appearance in unstained brain tissue

A small nucleus located bilaterally in the rostral pons which contains norepinephrine and has projections to most of the brain.

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