Rostral spinocerebellar tract: Information from Answers.com

The rostral spinocerebellar tract is a tract which transmits information from the golgi tendon organs of the cranial half of the body to the cerebellum.^[1]

References

^ http://neuro.vetmed.ufl.edu/neuro/NExam.htm

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Human brain, rhombencephalon, metencephalon: cerebellum (TA 14.1.07, GA 9.788)

Surface anatomy

Posterior lobe (Horizontal fissure) · Anterior lobe · Flocculonodular lobe (Flocculus, Nodule)

Vermis: posterior (Folium, Tuber, Uvula) · anterior (Central lobule, Culmen, Lingula)

Hemisphere: posterior (Biventer lobule, Cerebellar tonsil) · anterior (Alar central lobule)

Vallecula of cerebellum · Primary fissure

Grey matter

Deep cerebellar nuclei	Dentate · interposed (Emboliform, Globose) · Fastigial

Cerebellar cortex	Molecular layer (Stellate cell, Basket cell) Purkinje cell layer (Purkinje cell, Bergmann glia cell = Golgi epithelial cell) Granule cell layer (Golgi cell, Granule cell, Unipolar brush cell) Fibers: Mossy fibers · Climbing fiber · Parallel fiber

White matter

Internal	Arbor vitae

Peduncles	Inferior (medulla): Dorsal spinocerebellar tract · Olivocerebellar tract · Cuneocerebellar tract · Juxtarestiform body (Vestibulocerebellar tract) Middle (pons): Pontocerebellar fibers Superior (midbrain): Ventral spinocerebellar tract · Dentatothalamic tract · Trigeminocerebellar fibers

Brain and spinal cord: neural tracts and fasciculi

Sensory/ascending

PCML	1°: Pacinian corpuscle/Meissner's corpuscle → Gracile fasciculus/Cuneate fasciculus → Gracile nucleus/Cuneate nucleus 2°: → sensory decussation/arcuate fibers (Posterior external arcuate fibers, Internal arcuate fibers) → Medial lemniscus/Trigeminal lemniscus → Thalamus (VPL, VPM) 3°: → Posterior limb of internal capsule → Postcentral gyrus

Anterolateral	Free nerve ending → Spinothalamic tract (Lateral, Anterior) → Spinal lemniscus → Thalamus → Postcentral gyrus Spinoreticular tract → Reticular formation Spinotectal tract → Midbrain tectum

Motor/descending

Pyramidal	flexion: Primary motor cortex → Posterior limb of internal capsule → Decussation of the pyramids → Corticospinal tract (Lateral, Anterior) → Neuromuscular junction

Extrapyramidal	flexion: Primary motor cortex → Genu of internal capsule → Corticobulbar tract → brainstem → muscles of the face, head and neck flexion: Red nucleus → Rubrospinal tract extension: Vestibulocerebellum → Vestibular nuclei → Vestibulospinal tract extension: Vestibulocerebellum → Reticular formation → Reticulospinal tract Midbrain tectum → Tectospinal tract → muscles of neck

Basal ganglia	direct: Motor cortex → Striatum → GPi → Subthalamic fasciculus → Thalamus → Motor cortex indirect: Motor cortex → Striatum → GPe → Subthalamic nucleus → GPi → Subthalamic fasciculus → Thalamus → Motor cortex nigrostriatal pathway: Pars compacta → Striatum

Bidirectional:
Spinocerebellar

Unconscious proprioception: Golgi tendon organ → Spinocerebellar (Dorsal/Posterior thoracic nucleus, Cuneocerebellar) → Cerebellum
Reflex arc: Ventral - Rostral

Brain only

Medial longitudinal fasciculus

Vestibular nucleus → Vestibulocerebellar tract → Cerebellum

Pontine nuclei → Pontocerebellar fibers → Deep cerebellar nuclei

Inferior olivary nucleus → Olivocerebellar tract → Cerebellar hemisphere

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