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Ventral reticular nucleus

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Brain: Ventral reticular nucleus
[[Image:|250px|center|]]
[[Image:|250px|center|]]
Latin nucleus reticularis ventralis
Gray's subject #
Part of
Components
Artery
Vein
BrainInfo/UW hier-730
MeSH [1]

The ventral reticular nucleus is a continuation of the parvocellular nucleus in the brainstem.

The ventral reticular nucleus has been shown to receive afferent projections from the dentate gyrus in rabbits [1].

The rostral portion of the ventral reticular nucleus has been shown to mediate inspiration along with a portion of the lateral reticular nucleus.

ReferencesEdit

  1. ↑ Tang, ZW et al. The fiber projections from the dentate nucleus to the reticular formation of the brain stem in the rabbit. Anatomy and Embryology (Berlin). 1987;175(4):517-20.


v·d·e
Human brain, rhombencephalon, metencephalon: pons (TA A14.1.05.101-604, GA 9.785)
Dorsal/
(tegmentum)

Surface

Cerebellopontine angle · Superior medullary velum · Sulcus limitans · Medial eminence · Facial colliculus

White: Sensory/ascending

Trapezoid body/VIII · Trigeminal lemniscus (Dorsal trigeminal tract, Ventral trigeminal tract) · Medial lemniscus · Lateral lemniscus

MLF, III, IV and VI: Vestibulo-oculomotor fibers

Anterior trigeminothalamic tract · Central tegmental tract

White: Motor/descending

ICP (Vestibulocerebellar tract)

MLF, III, IV and VI: Vestibulospinal tract (Medial vestibulospinal tract, Lateral vestibulospinal tract)

afferent: GSA: Principal V/Spinal V · VIII-c (Dorsal, Anterior)/VIII-v (Superior)

efferent: SVE: Motor V  · VII · GSE: VI · GVE: VII: Superior salivary nucleus

Other grey

Apneustic center · Pneumotaxic center (Medial parabrachial nucleus) · Lateral parabrachial nucleus · Superior olivary nucleus · Caerulean nucleus


Ventral/
(base)

Pontine nuclei

White: Motor/descending

Corticospinal tract · Corticobulbar tract · Corticopontine fibers

MCP (Pontocerebellar fibers)

Surface

Basilar sulcus


Other grey: Raphe/
reticular

Reticular formation (Caudal, Oral, Tegmental, Paramedian) · Raphe nuclei (Median)

v·d·e
Brain: rhombencephalon (hindbrain)
Metencephalon/
pons

Dorsal/
(tegmentum)

surface: Locus ceruleus

Trigeminal lemniscus (Dorsal trigeminal tract, Ventral trigeminal tract)

cranial nuclei: GSA: Principal V/Spinal V - VIII-c (Dorsal, Anterior)/VIII-v (Lateral, Superior, Medial, Inferior) - SVE: Motor V - VII - GSE: VI - GVE: VII: Superior salivary nucleus

MLF, III, IV and VI (vestibulo-oculomotor fibers, medial vestibulospinal tract)

sensory/ascending: Trapezoid body/VIII - Superior olivary nucleus

Inferior cerebellar peduncle (Vestibulocerebellar tract)

motor/descending: Apneustic center • Pneumotaxic center (Medial parabrachial nucleus) - Lateral parabrachial nucleus

Ventral/
(base)

Middle cerebellar peduncles (Pontocerebellar fibers) - Pontine nuclei
motor/descending: Corticospinal tract - Corticobulbar tract - Corticopontine fibers

Raphe/reticular

Reticular formation (Caudal, Oral, Tegmental, Paramedian) • Raphe nuclei (Median)


Myelencephalon/
medulla

Dorsal

surface: Posterior median sulcus - Postero-lateral sulcus - Area postrema

cranial nuclei: GVA: VII,IX,X: Solitary/tract • SVA: Gustatory nucleus • GSE: XII  • GVE: IX,X,XI: Ambiguus • SVE: X: Dorsal • IX: Inferior salivatory nucleus - MLF, III, IV and VI

sensory/ascending: Gracile nucleus • Cuneate nucleus (Accessory cuneate nucleus) • Sensory decussation  • Medial lemniscus

motor/descending: Dorsal respiratory group

Ventral

motor/descending: Ventral respiratory group - Pyramid (Motor decussation) - Inferior olivary nucleus (Olivocerebellar tract, Rubro-olivary tract)
surface: Anterior median fissure - Antero-lateral sulcus - Arcuate nucleus of medulla - Olivary body

Raphe/reticular

Reticular formation (Gigantocellular, Parvocellular, Ventral, Lateral, Paramedian) • Raphe nuclei (Obscurus, Magnus, Pallidus)

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