Brain region having polygonal, fusiform, piriform neurons
This image shows the location of the raphe nucleus (seen in the bottom of the image near the brain stem) while also providing information about how it is used in the serotonin pathway which has various cognitive functions. The Median Raphe Nucleus is a part of the Raphe Nucleus.
Median raphe nucleus
Details
Identifiers
Latin
nucleus raphes medianus, nucleus centralis superior
NeuroNames
562
NeuroLex ID
birnlex_889
TA98
A14.1.05.603
TA2
5956
FMA
72465
Anatomical terms of neuroanatomy
[edit on Wikidata]
The median raphe nucleus (MRN or MnR), also known as the nucleus raphes medianus (NRM)[1] or superior central nucleus, is a brain region composed of polygonal, fusiform, and piriform neurons, which exists rostral to the nucleus raphes pontis. The MRN is located between the posterior end of the superior cerebellar peduncles and the V. Afferents of the motor nucleus.[2] It is one of two nuclei, the other being the dorsal raphe nucleus (DnR), in the midbrain-pons.[3]
The MRN projects extensively to the hippocampus, which is known to be essential for the formation of long-term memory. One recent study found that this raphe–hippocampus pathway plays a critical role in regulation of hippocampal activity and likely associated memory consolidation processes. It has also been found to play a role in anxiety and depression, as one of the few parts of the brain that creates tryptophan hydroxylase.
The medianraphenucleus (MRN or MnR), also known as the nucleusraphes medianus (NRM) or superior central nucleus, is a brain region composed of polygonal...
the raphe nuclei are known as the nucleusraphe obscurus, the nucleusraphe pallidus, the nucleusraphe magnus, the nucleusraphe pontis, the median raphe...
The dorsal raphenucleus is one of the raphe nuclei. It is situated in the brainstem at the midline. It has rostral and caudal subdivisions: The rostral...
parvocellular reticular nucleus. Also, the nucleusraphe pallidus receives afferents from the medial preoptic area, median preoptic nucleus and lateral paragigantocellular...
and laterodorsal tegmental nucleus (PPT/LDT), locus coeruleus, dorsal and medianraphenucleus, and tuberomammillary nucleus (TMN), respectively. ... The...
and laterodorsal tegmental nucleus (PPT/LDT), locus coeruleus, dorsal and medianraphenucleus, and tuberomammillary nucleus (TMN), respectively. ... The...
The median preoptic nucleus is located dorsal to the other three nuclei of the preoptic area of the anterior hypothalamus. The hypothalamus is located...
and laterodorsal tegmental nucleus (PPT/LDT), locus coeruleus, dorsal and medianraphenucleus, and tuberomammillary nucleus (TMN), respectively. ... The...
and laterodorsal tegmental nucleus (PPT/LDT), locus coeruleus, dorsal and medianraphenucleus, and tuberomammillary nucleus (TMN), respectively. ... The...
War II Magnetic resonance neurography, a medical imaging technique Medianraphenucleus, area within the brain MRN complex, a protein complex involved in...
three. The highest density of cortical innervation is in layer 1. Medianraphenucleus (cell groups B5, B8) Septal nuclei Ventral tegmental area Hypothalamus...
pigmented nucleus Paranigral nucleus Rostromedial tegmental nucleus Caudal linear nucleus Rostral linear nucleus of the raphe Interfascicular nucleus Substantia...
Cell group B8 is located in the dorsal part of the medianraphenucleus (superior central nucleus) and adjacent structures of the pontine reticular formation...
structures. The caudal group consists of the nucleusraphe magnus (B3), raphe obscurus nucleus (B2), raphe pallidus nucleus (B1), and lateral medullary reticular...
area), serotonergic regions (medianraphe and dorsal raphe nuclei), and a cholinergic region (the laterodorsal tegmental nucleus). This output inhibits dopamine...
dorsal and medianraphe nuclei (DR), which pass through the lateral hypothalamus and reach axons of the histaminergic tubero-mamillary nucleus (TMN), together...
stimulated by a signal, the synaptic connections activate neurons in the nucleusraphe magnus; the pathway then projects down into the posterior grey column...
striatum includes the nucleus accumbens and the olfactory tubercle. The release of dopamine from the mesolimbic pathway into the nucleus accumbens regulates...
also include the nucleus accumbens, ventral pallidum, dorsal raphenucleus, lateral hypothalamus, periaqueductal gray, bed nucleus of the stria terminalis...
compacta (SNc) in the midbrain with the dorsal striatum (i.e., the caudate nucleus and putamen) in the forebrain. It is one of the four major dopamine pathways...
the locus coeruleus, dorsal and medianraphe nuclei, ventral periaqueductal grey matter, and tuberomammillary nucleus. Each group produces a different...
dorsal and medianraphe nuclei (DR), which pass through the lateral hypothalamus and reach axons of the histaminergic tubero-mamillary nucleus (TMN), together...
part. The vertical part is continuous below the obex with the gracile nucleus, to which it is adherent by its lateral border. The horizontal portion...
Global Information