Cerebellar Afferents: Spinocerebellar Tract

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Cerebellar Afferents Spinocerebellar Tract

• Slides presented in a caudal to rostral fashion

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Both tracts ascend to ipsilateral cerebellum
Slide 1 thoracic -level
Dorsal (Posterior) Spinocerebellar Tract
Ventral (Anterior) Spinocerebellar Tract
Nucleus Dorsalis
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Slide 4 closed medulla
Dorsal spinocerebellar tract
Ventral spinocerebellar tract
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These fibers will become inferior cerebellar
peduncle
Slide 5
Dorsal spinocerebellar tract
Lateral cuneate nucleus
Spinal trigeminal nucleus
Ventral spinocerebellar tract
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Lateral cuneate nucleus
Slide 6 open medulla
Inferior cerebellar peduncle includes fibers
from other systems (in addition to the dorsal
spinocerebellar tract)
Ventral spinocerebellar tract
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Slide 7 a
Vermis
Inferior cerebellar peduncle
Lateral cuneate nucleus
Ventral spinocerebellar tract
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Slide 10a
Interpositus nucleus
Dentate nucleus
Inferior cerebellar peduncle
Ventral spinocerebellar tract
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Slide 11
Superior cerebellar peduncle
Middle cerebellar peduncle
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Slide 12a
Dentate nucleus
Fastigial nuclei
Superior cerebellar peduncle
Emboliform nucleus
Globose nucleus
Interposed nuclei
Pink areas indicate pontine nuclei
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Slide 14a
Superior cerebellar peduncle
Pontine nuclei (pink areas)