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ASCT pathway

ASCT pathway

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ASCT pathway

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  1. rostral pons 2 ipsilateral cerebellum L3 & below posterior root ganglion anterior horn spinal border cells (lamina VII) 1 some fibers stay on contralateral side (we will focus on ipsilateral crossing-over as predominant pathway) contralateral ASCT via superior cerebellar peduncle ASCT pathway anterior spinocerebellar tract lower limb information non-conscious proprioception

  2. START: right side posterior root ganglion Lissauer’s tract Gracile fasciculus ALS

  3. START: right side posterior root ganglion Lissauer’s tract To ASCT Lamina VII anterior horn spinal border cells

  4. START: right side posterior root ganglion ASCT

  5. START: right side posterior root ganglion ASCT LANDMARK ALS

  6. START: right side posterior root ganglion Spinal trigeminal nucleus Gracile fasciculus Cuneate fasciculus Spinal trigeminal tract PSCT ASCT ALS

  7. START: right side posterior root ganglion LANDMARK accessory cuneate nucleus ASCT LANDMARK ML

  8. START: right side posterior root ganglion LANDMARK trigeminal motor nucleus LANDMARK medial lemniscus LANDMARK chief sensory nucleus ASCT

  9. START: right side posterior root ganglion LANDMARK medial lemniscus Superior cerebellar peduncle

  10. START: right side posterior root ganglion Contralateral superior cerebellar peduncle Fibers re-cross to ipsilateral rostral cerebellar vermis