IV. & V. Tracks
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Corticospinal | Precise & skilled voluntary movement | precentral gyrus- pyramidal decussation- internucial neurons- alpha motor neurons | Descending
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| Reticulospinal | influence unskilled voluntary movements | reticular formatioin- crossed & uncrossed to alpha moter neurons | Descending
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| Reticulospinal | reflex activity | functions by facilitationg or inhibiting motor neurons | Descending
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| Tectospinal | Feflex postural movement to visual stimuli | superior colliculus- cross & decend to cervical internuncial pools | Descending
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| Rubrospinal | Facilitates flexors & inhibits extensors | Red Nucleus- cross and descend to internuncial pools | Descending
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| vestibulospinal | Facilitates extensors & inhibits flexors for BALANCE | lateral vestifular nucleus- descend to internuncial pools | Descending
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| Lateral Spinothalmic | pain & temp | periphery- DRG- cross segmentally & ascend to thalamus- to postcentral gyrus | Ascending
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| Anterior Spinothalamic | crude light touch | periphery- DRG- cross segmentally & go to thalamus- postcentral gyrus | Ascending
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| Dorsal Columns | discriminative touch | periphery- DRG- nuclei gracilis/cuneatus- cross at medulla & ascend to thalamus- postcentral gyrus | Ascending
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| Posterior Spinocerebellar | unconscious proprioception | periphery- DRG- nucleus dorsalis- cross segmentally & ascend through superior cerebellar peduncle to cerebellum | Ascending
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| Anterior Spinocerebellar | unconscious proprioception | periphery- DRG- cross segmentally & ascend through superior cerebellar peduncle to cerebellum | Ascending
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| Spinotectal | spino visual reflexes | periphery- DRG- cross segmentally & ascend to superior colliculus | Ascending
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| Spinoreticular | Levels of consciousness | periphery- DRG- ascend to nuclei of reticular formation | Ascending
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| Spino-olivary | Cutaneous & proprioceptive information | periphery- DRG- cross segmentally & ascend to inferior olive- cross back through inferior peduncle to cerebellum | Ascending
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
missyh23
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