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Chap 13 part II
Cerebral White matter and onward
Question | Answer |
---|---|
Cerebral White Matter: 3 Main parts | 1.Commissure 2. Projection Fibers 3. Association Fibers |
Commissures | 1. Largest is CORPUS COLLOSUM 2. allows communication between R/L CEREBRAL HEMISPHERES 3. |
Association Fibers | Connects different parts of SAME HEMISPHERE |
Projection Fibers | 1. descends or ascends to lower regions of cerebral cortex (like brain stem) 2. Two groups: CORONA RADIATA and INTERNAL CAPSULE |
Corona Radiata | 1. Projection Fibers 2. Radiating bundle of fibers that fan out to CEREBRAL CORTEX |
Internal Capsule | 1. Projection Fibers 2. Compact bundle of fibers that pass b/w THALAMUS and BASAL GANGLIA |