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26 Cards in this Set
- Front
- Back
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Anterior lobe
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vermis, spinocerebellum (intermediate hemispheres)
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Posterior lobe
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cerebrocerebellum (lateral hemisphere)
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Primary fissure
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Separate anterior/posterior lobe
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Flocculonodular lobe
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vestibulocerebellum
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Posteriorlateral fissure
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separate flocculonodular lobe
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Superior cerebellar peduncle
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Afferent - from spinal cord
Efferent - to red n and thalamus |
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Middle cerebellar peduncle
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Afferent - from pontine nuclei
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Inferior cerebellar peduncle
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Afferent - from spinal cord
Efferent - to brain stem |
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Spinocerebellum nuclei
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fastigial, interposed (globose, emboliform)
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Dentate
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cerebrocerebellum
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layers
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in > out
granular layer > purkinje layer > molecular layer |
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Granular laye
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granule cells, golgi interneurons, input layer (mossy fibers)
excitatory |
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Purkinje layer
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sole output of cortex
inhibitory |
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Molecular layer
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stellate, basket, parallel fibers from granule cell
inhibitory |
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climbing fibers
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Inferior olivary n > purkinje cell, deep n
excitatory |
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mossy fibers
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spinal cord, brain stem > granule cell, deep n
excitatory |
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deep n
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primary output of cerebellum
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Vestibulocerebellum
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balance, eye movement (bestibulospinal tract)
via inferior cerebellar peduncle > l, m vestibular n bypass deep n |
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spinocerebellum
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body, limb movement
dorsal - direct info ventral - intention vermis > fastigial intermediate hemi > interposed n VL > lateral corticospinal tract |
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dorsal spinocerebellar tract
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Clarke's nucleus (T1 - L2/3) via inferior cerebellar peduncle
ipsilateral |
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ventral spinocerebellar tract
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spinal border cells (T12-L5) via superior cerebellar peduncle
ipsilateral (xing twice) |
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cuneocerebellar
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lateral cuneate nucleus via inferior cerebellar peduncle
ipsilateral |
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rostal spinoalcerebellar
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lamina VII (C4-C8) via superior/infe CP)
ipsilateral rostal body parts |
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vermis > fastigial
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>reciular formation > reticulospinal tracts, lateral vestibulospinal tract via inferior CP
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Intermediate hemi > interposed n
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red n (magnocellular, caudal) > rubrospinal tract > spinal cord
via superior cerebellar peduncle |
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cerebrocerebellum
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planning ipsilateral limb movement
From cortex via middle CP > dentate > red n(parvocelluar, rostal) > inferior olivary n (rubroolivary tract) to cerebellum as climbing fiber To VL, 4, lateral corticospinal tract |
