Anatomy of the Spinal Cord Structure of the spinal cord Tracts of the spinal cord
Spinal Cord Basics
Transcript of Spinal Cord Basics
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Spinal Cord BasicsTanya Warwick, M.D.
Ascending:
Dorsal Column light touch, vibration, proprioception, tactile discriminationCrosses medulla (internal arcuate fibers) to medial lemniscus and VPL
Receives fibers from pacinian corpuscles, Meissners, joint receptors, muscle
spindles, and golgi tendon organs.Spinothalamic Tract pain and temperature (from free nerve endings, Adelta and C fibers)
Descending:
Corticospinal Tract 80% lateral 20% ventral / medial
1. Fasciculus gracilis - LE
2. Fasciculus cuneatus - UE
3. Tractus spinocerebellaris dorsalis
4. Tractus corticospinalis lateralis
5. Tractus spinothalamicus lateralis
6. Tractus spinocerebellaris ventralis
7. Tractus rubrospinalis
8. Tractus spinotectalis
9. Tractus corticospinalis anterior
10. Tractus olivospinalis
11. Tractus spinoolivaris12. Tractus tectospinalis
13. Tractus reticulospinalis
14. Tractus vestibulospinalis
15. Tractus spinothalamicus anterior
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