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Tracts (ascending and descending)
- 1. Ascending and Descending Tracts SMS 1084 Dr. Mohanad R. Alwan
- 4. CENTRAL NERVOUS SYSTEM integration / processing / modulating stimulus receptor neurone motor / descending tracts effector organ / response PNS transmission lower motor neurone sensory / ascending tracts
- 6. Ascending Sensory Pathway are organized in three neuronal chain - First order neurone - Second order neurone - Third order neurone
- 8. dorsal root dorsal root ganglion spinal nerve dorsal horn FIRST ORDER NEURON
- 12. ascending sensory pathway ( in general form ) from sensory endings to cerebral cortex ( note the three neurons chain )
- 13. ascending tracts in spinal cord
- 17. pain and temperature pathways
- 19. Touch and pressure pathways
- 21. muscle joint sense pathways to cerebellum
- 23. Spinotectal tract Spinoreticular tract Spino-oloivary tract
- 25. motor homunculus cerebral cortex
- 30. cerebral cortex – midbrain - pons - medulla oblongata descending tracts LMN sensory inputs
- 33. motor decussation medulla oblongata
- 34. Corticospinal Tract for fine skilled movements
- 43. Thank You