Search results
The periaqueductal gray is the gray matter located around the cerebral aqueduct within the tegmentum of the midbrain. It projects to the nucleus raphe magnus, and also contains descending autonomic tracts. The ascending pain and temperature fibers of the spinothalamic tract send information to the PAG via the spinomesencephalic tract (so-named ...
Aug 27, 2013 · Activity level of the raphe nuclei is also modulated; it is increased under inescapable shocks (Grahn et al., 1999; Takase et al., 2004). Forced swimming induced an increase or decrease in 5-HT levels, as measured by microdialysis, depending on the brain region examined; its levels increased in the striatum, but decreased in the amygdala and ...
Aug 31, 2021 · The raphe nuclei (Greek: ῥαφή, "seam") are a moderate-size cluster of nuclei found in the brain stem. They have 5-HT1 receptors which are coupled with Gi/Go-protein-inhibiting adenyl cyclase. They function as autoreceptors in the brain and decrease the release of serotonin.
Feb 24, 2023 · The extensive innervation between the raphe nuclei and the shared afferent projections from the common brain regions may provide an explanation for connectivity overlaps between the two RSFC maps of the raphe nuclei (Beck et al., 2004, Vertes and Linley, 2007, Vertes and Linley, 2008). Although the small volume of DRN and MRN may contribute to ...
raphe nuclei. moderate size cluster of nuclei found in brain stem. Upload media. Wikipedia. Instance of. brain region. class of anatomical entity. Subclass of. set of nuclei of neuraxis.
橋腦在 延腦 的上方和 小腦 前方，它位於 延髓 与 中脑 的大脑脚之間，前后缘有横沟为界；外形呈白色弓状的横隆凸；内部有大量的横走的神经纤维，连接左、右小脑半球，并有许多纵走的神经纤维束，联系端脑、间脑、中脑、延髓和 脊髓 ，在神经纤维束之间 ...
Jan 11, 2016 · The serotonergic raphe nuclei are involved in regulating brain states over timescales of minutes and hours. We examined more rapid effects of raphe activation on two classes of principal neurons ...
