locus ceruleus (redirected from Locus cæruleus)

Locus ceruleus

Brain region that processes sensory signals from all areas of the body.

Mentioned in: Lysergic Acid Diethylamide (LSD)

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locus ceruleus

Etymology: L, locus, place, caeruleus, sky-blue

a deeply pigmented group of several thousand neurons in the floor of the fourth ventricle. It is part of a major norepinephrine pathway of the central nervous system.

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locus [lo´kus] (L.)

1. a place or site.

2. in genetics, the specific site of a gene on a chromosome.

locus ceru´leus a pigmented eminence in the superior angle of the floor of the fourth ventricle of the brain.

locus of control a belief regarding responsibility for actions. Individuals with an internal locus of control generally hold themselves responsible for actions and consequences, while those with an external locus of control tend to believe that they are not able to affect a personal outcome and that luck or destiny are responsible for their actions.

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locus

pl. loci [L.] place; site; in genetics, the specific site of a gene on a chromosome.

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locus ceruleus

a pigmented eminence in the superior angle of the floor of the fourth ventricle of the brain.