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1

direction terminology for cerebrum

2

direction terminology for brainstem & cerebellum

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axial= brainstem & spinal cord 

supra axia= cerebrum & cerebellum---grows out of axial

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dorsointermediate sulcus only at levels C1-T6

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Dorsal Horn Nuclei

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Dorsal Columns

only ascending fibers 


Fasciculus Gracilis---found at all spinal cord levels

Fasciculus cuneatus---found ONLY above T6 & found lateral to FG

Dorsointermediate sulcus divides FG & FC

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Lateral Columns

both ascending & descending fibers

DSCT & VSCT= unconscious proprioception to cerebellum 
LCST= voluntary movement
RubroST= voluntary movement 
STT= pain & temp

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ventral columns

both ascending & descending fibers
Part of STT
ReticuloST & VST (medial & lateral)= involuntary movement 
ACST= voluntary movement

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brainstem ventral view

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general organization of a brainstem cross section

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ventral view of medulla

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levels of medulla

spinomedullary junction

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caudal "closed" medulla

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rostral "open" medulla

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internal features of the spinomedullary junction

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internal features of the caudal medulla

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internal features of the rostral medulla

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ventral view of pons

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dorsal view of pons

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level of pons

caudal pons

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level of pons

mid pons

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level of pons

rostral pons