Term
| spinal cord (description) |
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Definition
| major communication link between the brain and the PNS |
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Term
| spinal cord is involved with |
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Definition
| reflex mechanisms and the integration of incoming information |
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Term
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Definition
| extends from the medulla oblongata to L1-L2 |
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Term
| spinal cord is located within the |
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Definition
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Term
| the vertebral is formed by |
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Definition
| the vertebral foramina of the vertebrae |
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Term
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Definition
| connective tissue membranes that surround the spinal cord |
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Term
| 3 meninges of the spinal cord |
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Definition
1) dura mater
2) arachnoid mater
3) pia mater |
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Term
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Definition
| procedure in which CSF is drawn from the subarachnoid space |
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Term
| location where a spinal tap is done |
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Definition
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Term
| 3 major structures of the spinal cord |
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Definition
1) cervical enlargement
2) lumbar enlargement
3) conus medullaris |
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Term
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Definition
| region where axons supplying the upper extremities enter or leave the spinal cord |
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Term
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Definition
| region where axons supplying the lower extremities enter or leave the spinal cord |
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Term
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Definition
| collection of nerve roots that extend from the lumbar enlargement |
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Term
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Definition
| cone shaped end of the spinal cord |
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Term
| the conus medullaris is anchored to the coccyx by |
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Definition
| the filum terminale (continuation of the pia mater) |
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Term
| 4 major structures of gray matter in the spinal cord |
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Definition
1) anterior horns
2) lateral horns
3) posterior horns
4) central canal |
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Term
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Definition
| contain cell bodies of motor neurons supplying skeletal muscle |
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Term
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Definition
| contain cell bodies of motor neurons supplying smooth or cardiac muscle |
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Term
| location of the lateral horns |
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Definition
| only at T1-L2 vertebral levels |
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Term
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Definition
| contains axons of sensory neurons |
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Term
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Definition
| canal located in the center of the gray matter; filled with CSF |
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Term
| 3 major structures of white matter in the spinal cord |
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Definition
1) ventral columns
2) dorsal columns
3) lateral columns |
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Term
| number of pairs of spinal nerves associated with the spinal cord |
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Definition
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Term
| the pairs of nerves give rise to |
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Definition
| peripheral nerves that supply all parts of the body |
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Term
| spinal nerves are attached to the spinal cord by way of |
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Definition
| dorsal roots and ventral roots |
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Term
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Definition
| contain axons of unipolar sensory neurons |
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Term
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Definition
| contain axons of motor neurons |
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Term
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Definition
| contain axons that supply the skin near the midline of the back and deep muscles responsible for movement of the vertebral column |
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Term
| ventral rami from thoracic region |
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Definition
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Term
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Definition
| contain axons that supply the intercostal muscles and skin of the thorax |
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Term
| ventral rami from remaining spinal nerves |
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Definition
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Term
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Definition
| contains axons that supply muscles and skin of the upper and lower extremities |
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