| 释义 |
locus coeruleus
noun[ S ]
anatomy specialized(alsolocus ceruleus)uk /ˌləʊ.kəs səˈruː.li.əs/ us /ˌloʊ.kəs səˈruː.li.əs/
a blue area of the brainstem (= the bottom part of the brain connected to the spinal cord) that produces norepinephrine (= a chemical that controls blood pressure):
The activity of the locus coeruleus is implicated in the increased attention in response to threat.
It is known that each of these areas receives a very heavy input of norepinephrine from the locus ceruleus.
When novel or threatening stimuli are presented to an organism, the locus ceruleus increases neuronal firing.
The amygdala is connected to the locus coeruleus, which releases norepinephrine in response to stress.
The majority of noradrenergic cell bodies are located in the locus coeruleus.
SMART Vocabulary: related words and phrases
The brain & nervous system
abducens nerve
abducent nerve
accessory nerve
alexithymia
allism
glossopharyngeal nerve
grey matter
hemispheric
hemispherical
hindbrain
neurogenic
neurogenically
neuroglia
neuroglial
neurohormonal
reticular formation
rhinencephalon
rhombencephalon
right brain
right-brained
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