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tuberomammillary nucleus
The tuberomammillary nucleus is a subnucleus of the posterior third of the hypothalamus. It consists of, largely, histaminergic neurons (i.e., neurons releasing histamine) and is involved with the control of arousal, learning, memory, sleep and energy balance.
Axons of the tuberomammillary nucleus project primarily to the cerebral cortex, thalamus, basal ganglia, basal forebrain, and hypothalamus. The projections to the cerebral cortex directly increase cortical activation and arousal, and projections to acetylcholinergic neurons of the basal forebrain and dorsal pons do so indirectly, by increasing the release of acetylcholine in the cerebral cortex.
==Histaminergic outputs==
The sole source of histamine pathways in the brain are the projection from the tuberomamillary nucleus, which connect to the cerebral cortex, hippocampus, neostriatum, nucleus accumbens, amygdala, and other parts of the hypothalamus.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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