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| Brain: Posterior nucleus of vagus nerve
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| Nuclei of origin of cranial motor nerves schematically represented; lateral view. ("X" visible at bottom center.)
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| #9 is vagus nerve and nucleus
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| Latin
| nucleus posterior nervi vagi
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| Gray's
| subject #
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| Part of
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| Components
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| Artery
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| Vein
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| BrainInfo/UW
| hier-752
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| MeSH
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The dorsal nucleus of the vagus nerve (or posterior motor nucleus of vagus) is a cranial nerve nucleus for the vagus nerve that arises from the floor of the fourth ventricle.It mostly serves parasympathetic vagal functions in the heart, gastrointestinal tract, lungs, and other thoracic and abdominal vagal innervations.
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Section of the medulla oblongata at about the middle of the olive.
The cranial nerve nuclei schematically represented; dorsal view. Motor nuclei in red; sensory in blue.
Primary terminal nuclei of the afferent (sensory) cranial nerves schematically represented; lateral view.
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Brain: rhombencephalon (hindbrain)
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Metencephalon/
pons
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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
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Middle cerebellar peduncles (Pontocerebellar fibers) - Pontine nuclei
motor/descending: Corticospinal tract - Corticobulbar tract - Corticopontine fibers
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| Raphe/reticular
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Reticular formation (Caudal, Oral, Tegmental, Paramedian) • Raphe nuclei (Median)
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Myelencephalon/
medulla
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Dorsal
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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
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| Ventral
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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
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| Raphe/reticular
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Reticular formation (Gigantocellular, Parvocellular, Ventral, Lateral, Paramedian) • Raphe nuclei (Obscurus, Magnus, Pallidus)
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