| 词汇 | locus-coeruleus |
| 语种 | 英语、汉语、英汉翻译、汉英翻译 |
| 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. 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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