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18 Cards in this Set
- Front
- Back
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What covers the spinal cord. |
all 3 meninges cover cord 1.Dura not attached to bone. 2.Meninges continuous with CTsheaths of nerve 3.Epidural space filled fat, blood vessels CT |
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positon spinal cord
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foramen magnum-L1-L2
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when does the spinal cord stop growth? |
4 years old |
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when does vertebral column stop growth and how long. |
vertebral grows until full height reached about 18 inches long. |
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end of cord is called what |
conus medullaris |
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1.
Cauda Esquina ( horse tail) |
a.spinal nerves are pulled with growing vertabrae. b.exit sacral foramina |
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2.
Filum Terminale tethers what? |
Conus medullaris to the sacral vertebrae,via coccygeal ligament. prevents superior ligament |
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3. spinal cord Laterally denticulate ligament anchors cord. |
a. composed of pia mater attached to Arachnoid. b. prevents lateral movement |
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lumbar puncture is what? |
spinal tap |
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where is lumbar puncture done? |
done between L3 & L4 or L4 & L5 |
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Lumbar puncture reduces chance of spinal cord injury because? |
it is below tip of cord. |
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Lumbar puncture gives sample of what and from where? |
a sample of CSF taken from sub-arachnoid |
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Epidural catheter inserted into what? |
Epidural space |
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how long is it left in place |
left in place with continuous infused analgesic. long-term pain relief |
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spinal cord sensory impulse to brain and motor impulses in what direction? |
Sensory impulses travel up towards brain. Motor impulses travel down away from brain. |
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spinal cord acts as an? |
intergration center |
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Motor |
efferent |
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Sensory |
Afferent |
