Medial vestibulospinal tract

Medial vestibulospinal tract
Vestibulospinal tract is 2c, in red at bottom center.
Diagram of the principal fasciculi of the spinal cord.
Details
Identifiers
Latintractus vestibulospinalis medialis
TA98A14.1.02.207
TA26114
FMA75798
Anatomical terms of neuroanatomy
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The medial vestibulospinal tract is one of the descending spinal tracts of the ventromedial funiculus of the spinal cord. It is found only in the cervical spine and above.

The medial part of the vestibulospinal tract is the smaller part, and is primarily made of fibers from the medial vestibular nucleus. It projects bilaterally down the spinal cord and triggers the ventral horn of the cervical spinal circuits, particularly controlling lower motor neurons associated with the spinal accessory nerve (CN XI). Additionally, the pathway projects superiorly to the paramedian pontine reticular formation, indirectly innervating the nuclei of CN VI and III. Through this superior projection, the medial vestibulospinal tract is involved in "yoking" the eyes together in response to rapid movement of the head. Thus, cumulatively it controls head and whole body orientation.

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Spinal cord
General features
  • Cervical enlargement
  • Lumbar enlargement
  • Conus medullaris
  • Filum terminale
  • Cauda equina
  • Meninges
  • Central canal
    • Terminal ventricle
Grey columns
Posterior grey column
Lateral grey column
Anterior grey column
Other
White matter
Sensory
Posterior
Lateral
Anterior
Motor
Lateral
Anterior
Both
External features
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Anatomy of the pons
Dorsal/
(tegmentum)
Surface
White: Sensory
White: Motor
Grey: Cranial nuclei
afferent:
efferent:
Grey: Other nuclei
Ventral/
(base)
Grey
White: Motor/descending
Surface
Other grey: Raphe/
reticular
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Sensory
DCML
:
:
:
Anterolateral/
pain
Fast/lateral
Slow/medial
Motor
Pyramidal
Extrapyramidal
flexion:
flexion:
extension:
extension:
Basal ganglia
direct:
indirect:
nigrostriatal pathway:
Cerebellar
Afferent
Efferent
Bidirectional:
Spinocerebellar
Unconscious
proprioception
Reflex arc
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Physiology of balance and hearing
Hearing
General
Pathway
Balance
General
Pathway
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  • Terminologia Anatomica