Label the following components of the corticospinal tracts with numbers 1 through 6, with 1 being the origin of the tracts and 6their destination. a. _____ Medullary pyramids where most fibers decussate b. _____ Anterior horn of the spinal gray matter c. _____ Midbrain and pons d. _____ Upper motor neurons in the primary motor andpremotor cortices e. _____ Corona radiata and internal capsule f. _____ Lateral funiculus of the spinal cord

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