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Apr 12, 2024 · There are nine raphe nuclei, designated B1–B9, which contain the majority of serotonin-containing neurons (some scientists chose to group the nuclei raphes lineares into one nucleus), all of which are located along the midline of the brainstem, and centered on the reticular formation.
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5 days ago · Different thalamic nuclei, (from the anterior and midline groups), the medial septal nucleus, the supramammillary nucleus of the hypothalamus, and the raphe nuclei and locus coeruleus of the brainstem all send axons to the EC, so that it serves as the interface between the neocortex and the other connections, and the hippocampus.
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Apr 6, 2024 · Caudal nuclei (CN): Raphe magnus, raphe pallidus, and raphe obscurus. Caudal projections; CN → Cerebral cortex; CN → Thalamus; CN → Caudate-putamen and nucleus accumbens; CN → Substantia nigra and ventral tegmental area; CN → Cerebellum; CN → Spinal cord; Rostral nuclei (RN): Nucleus linearis, dorsal raphe, medial raphe, and raphe ...
1 day ago · The cranial nerve nuclei and associated structures Connections with the cerebellum (the cerebellar peduncles ; see Ch. 8 ) The reticular activating system and ascending neurotransmitter-specific projection pathways: substantia nigra (dopamine), locus coeruleus (norepinephrine), median raphe nuclei (serotonin), pedunculopontine nuclei ...
Mar 25, 2024 · In brain, the 5-HTergic neurons are specifically located in the raphe nuclei of brainstem [17, 18] and project to nearly every area of the forebrain including the cerebral cortex and hippocampus ...
- Jie Cheng
4 days ago · Serotonin (5HT or 5-hydroxytryptamine) is synthesized by neurons within the raphe nuclei of the midbrain. Their axons project very widely in the brain to influence diverse circuits involved in arousal, sensory processing, mood, and emotions. ACh is the neurotransmitter at the neuromuscular junction (nerve–muscle synapses).
5 days ago · The CRF neurons project, in turn, to different brain regions. Of importance, the amygdaloid CRF neurons project to the paraventricular nucleus of the hypothalamus as well as to various nuclei of the brain stem. This latter group includes the locus ceruleus, the parabrachial nucleus, and the raphe nuclei.
