Neuro Final 14

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Author:
jld15
ID:
290890
Filename:
Neuro Final 14
Updated:
2014-12-07 11:29:23
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Neuro Final 14
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Neuro Final 14
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  1. Ventral spinothalamic tract starts at
    S5
  2. Ventral spinothalamic tract where 1st order meets 2nd
    Laminae I-IV
  3. Manakows area
    • Where two spinothalamic tracts come together
    • Open medulla
  4. Medial leminsical system contains (myelinated/ non myelinated, fast/slow conduction, specific and distinct/ less specific and vague, conscious/ unconscious)
    • Myelinated
    • Fast conduction
    • Specific and distinct
    • Conscious
  5. Medial leminsical system modality
    • 1. specific touch and pressure
    • 2. conscious proprioception
    • 3. vibration
  6. Medial leminsical receptors
    • Meissners corpuscles
    • Merkels disc
    • Pacinian corpuscles
    • Ruffini end organs
    • Golgi massoni
    • Golgi end type endings
  7. Medial leminsical tract pathway
    • Primary: receptor --> DRG --> DH (doesn’t synapse)--> isp dorsal funiculus entering fasciculus gracilis or cunateus --> ascends to synapse in nucleus gracilis of closed medulla
    • Secondary: crosses contralat myel --> ascends to thalamus in medial leminiscus
    • Tertiary: ascend through internal capsule to post central gyrus of cerebral cortex (Area 1,2,3)
  8. Where does conscious proprioception synapse in the brain stem
    Nucleus of zed
  9. Medial leminsical tract where 1st order meets 2nd
    Nucleus gracilis and cunateus
  10. Medial leminsical fibers damage L4 left
    • Left LE
    • Specific touch and pressure, conscious proprioception, vibration
  11. Medial leminsical fibers damage t7 left
    • Left lower trunk and LE
    • Specific touch and pressure, conscious proprioception (lower trunk), vibration
  12. Medial leminsical fibers damage T1 left
    • Left trunk and LE
    • Specific touch and pressure, conscious proprioception (trunk), vibration
  13. Medial leminsical fibers damage C1 left
    • Left entire body
    • Specific touch and pressure, conscious proprioception (trunk, UE), vibration
  14. Medial leminiscus damage left
    • Right entire body
    • Specific touch and pressure, conscious proprioception (all), vibration

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