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