Medical Definition of Locus ceruleus

1. A shallow depression, of a blue colour in the fresh brain, lying laterally in the most rostral portion of the rhomboidal fossa near the cerebral aqueduct; it lies near the lateral wall of the fourth ventricle and consists of about 20,000 melanin-pigmented neuronal cell bodies whose norepinephrine-containing axons have a remarkably wide distribution in the cerebellum as well as in the hypothalamus and cerebral cortex. Synonym: substantia ferruginea, locus cinereus, locus ferrugineus. (05 Mar 2000)

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Lexicographical Neighbors of Locus Ceruleus

loculation
loculation syndrome
locule
loculed
locules
loculi
loculicidal
loculous
loculus
locum
locum tenant
locum tenens
locum tenentes
locums
locus
locus ceruleus (current term)
locus cinereus
locus classicus
locus coeruleus
locus control region
locus ferrugineus
locus minoris resistentiae
locus niger
locus of control
locus of infection
locus perforatus anticus
locus perforatus posticus
locust
locust bean
locust bean gum

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