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15 Cards in this Set
- Front
- Back
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What are the 3 main neural pathways/system? |
Corticospinal Tract Anterolateral System Dorsal Column |
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Which of the 3 main neural pathways/systems are descending? |
Corticospinal Tract |
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Which of the 3 main neural pathways/systems are ascending? |
Anteriolateral System Dorsal Column
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Pre-central gyrus has what sort of function? |
Motor |
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Post-central gyrus has what sort of function? |
Sensory |
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What arteries supply the spinal cord? |
Posterior spinal arteries (two of theses) Anterior spinal artery |
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Where does most of the arterial supply of the spinal cord come from? |
Anterior spinal artery |
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Anterior cord syndrome |
occlusion of anterior spinal artery in the mid-cervical region |
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Supplied by anterior spinal artery; located in white matter; descending pathway |
Corticospinal Tract |
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What is the corticospinal tract made of? |
axons traveling from the cerebral cortex to the spinal cord |
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Motor neuron cell bodies located in the ventral horn of the gray matter are supplied by... |
Anterior spinal artery |
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What supplies the anterolateral system? |
Anterior spinal artery |
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how does anterior cord syndrome affect the anterolateral system? |
Loss of pain and temperature awareness below injury |
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How does anterior cord syndrome affect the motor neuron cell bodies |
Flaccid paralysis of muscles at the level of the injury |
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how does anterior cord syndrome affect the corticospinal tract? |
Spastic paralysis below the level of injury |
