Cerebellum and Onward
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Cerebellum Function | 1. Smoothes and Coordinates body movements
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Cerebellum: Cerebellar Peduncles- tracks connecting cerebellum to brains stem | 1. Superior Cerebellar Peduncle- midbrain
2. Inferior Cerebellar Peduncle- medulla oblangata
3. Middle Cerebellar Peduncle- Pons
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Cerebellum must continuously receive information from? | 1. Inner Ear- equilibrium
2. Peripheral Propioceptors- movement of limbs
3. Pyramidal Tract- information from cerebral motor cortex
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Cerebellum two hemispheres divided into what lobes? | 1. Anterior Lobe
2. Posterior Lobe
3. Flocculonodular Lobe
-connected by VERMIS
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Meninges Functions | 1. Protect and cover CNS
2. enclose and protect vessels supplying CNS
3. contains CSF
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Meninges: Three Tissues | 1. Dura Mater
2. Arachnoid Mater
3. Pia Mater
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Cerebrospinal Fluid | 1. Formed in CHOROID PLEXUSES
2. Circulation From: Ventricles, Medial and Lateral Apertures, Subarachnoid Space, Arachnoid Villi, and Blood of superior sagittal sinus
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Ascending Tracts in Spinal Cord | 1. Carry sensory information to the brain
2. Three Types: Dorsal Column Pathway, Spinocerebellar Pathway, and Spinothalamic Pathway
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Dorsal Column Pathway | -Ascending Tract
1. Discriminative touch, pressure, and limb position
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Spinocerebellar Pathway of Ascending Tract of Spinal cord | -Ascending Tract
-subconscious proprioception
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Spinothalamic Pathway | -Ascending Tract
-Pain and temperature
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Descending Tracts of Spinal Cord | deliver motor instructions from the brain to the spinal cord
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Descending Tracts One Type | Pyramidal Tracts
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Pyramidal Tracts | -Descending Tract
-control precise and skilled voluntary movement
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Created by:
vs604
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