https://wikimd.com/index.php?action=history&feed=atom&title=Pre-locus_coeruleusPre-locus coeruleus - Revision history2026-04-24T15:22:22ZRevision history for this page on the wikiMediaWiki 1.44.2https://wikimd.com/index.php?title=Pre-locus_coeruleus&diff=6309684&oldid=prevPrab: CSV import2025-02-18T00:55:00Z<p>CSV import</p>
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<p><b>New page</b></p><div>'''Pre-locus coeruleus''' (also known as '''pre-LC''') is a region in the brainstem that is involved in the regulation of [[sleep]] and [[wakefulness]]. It is located in the [[pons]], a part of the brainstem, and is adjacent to the [[locus coeruleus]], a region that produces [[norepinephrine]], a neurotransmitter involved in arousal and attention.<br />
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==Etymology==<br />
The term "pre-locus coeruleus" is derived from Latin. "Pre-" means "before" or "in front of", "locus" means "place" or "location", and "coeruleus" means "blue". This name is given because of its location anterior to the locus coeruleus, which is named for its blueish color due to the presence of norepinephrine.<br />
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==Function==<br />
The pre-LC is involved in the regulation of sleep and wakefulness. It is thought to play a role in the initiation of [[REM sleep]], a phase of sleep characterized by rapid eye movement and vivid dreaming. The pre-LC sends signals to other parts of the brain, including the [[thalamus]] and the [[cortex]], to promote wakefulness.<br />
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==Related Terms==<br />
* [[Locus coeruleus]]: A region in the brainstem that produces norepinephrine and is involved in arousal and attention.<br />
* [[Norepinephrine]]: A neurotransmitter involved in arousal and attention.<br />
* [[Pons]]: A part of the brainstem where the pre-LC is located.<br />
* [[REM sleep]]: A phase of sleep characterized by rapid eye movement and vivid dreaming.<br />
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==See Also==<br />
* [[Sleep]]<br />
* [[Wakefulness]]<br />
* [[Brainstem]]<br />
* [[Neurotransmitter]]<br />
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[[Category:Neuroanatomy]]<br />
[[Category:Sleep]]<br />
[[Category:Wakefulness]]<br />
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