- Gigantocellular nucleus
Name = PAGENAME
Latin = nucleus reticularis gigantocellularis
BrainInfoType = hier
BrainInfoNumber = 727
DorlandsPre = n_11
DorlandsSuf = 12581282
The gigantocellular nucleus, as the name indicates, is mainly composed of the so called giant neuronal cells.
This nucleus has been known to innervate the caudal
hypoglossal nucleus, and responds to glutamatericstimuli.
The gigantocellular nucleus excites the hypoglossal nucleus, and can play a role in the actions of the said nerve [Yang, CC et al. Excitatory innervation of caudal hypoglossal nucleus from nucleus reticularis gigantocellularis in the rat. Neuroscience. 1995 Mar;65(2):365-74.] .
This nucleus receives connections from the
periaqueductal gray, the paraventricular hypothalamic nucleus, central nucleus of the amygdala, lateral hypothalamic area, and parvocellular reticular nucleus.
Retrograde studies have shown that the deep mesencephalic reticular formation and
oral pontine reticular nucleusproject to the nucleus gigantocellularis.
The dorsal rostral section of the nucleus reticularis gigantocellularis is also involved mediating in expiration (or out-breathing) along with the
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