A&P Ch 11 Nervous System 2 Part 2
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18 terms
Terms | Definitions |
|---|---|
 vertebral column | what supports and protects the spinal chord |
| central canal | in middle of spinal chord; CSF runs down it |
| enlargments | nerves in contact with arms and legs come in contact with chord at ____ |
| filum terminal | end of the spinal chord |
| cervical enlargment | enlargement dealing with arms (?) |
| lumbar enlargement | enlargement dealing with legs (?) |
| C1- 8 | Cervical nerve pair numbers |
| T1- 12 | Thoracic nerve pair numbers |
| L1- 5 | Lumbar nerve pair numbers |
| S1- 5 | Sacral nerve pair numbers |
| cauda equina | Sacral nerve pairs are also known as ___ |
| sulcus, fissure | 2 different kinds of break line thingies |
| sulcus | which is deeper: sulcus or fissure? |
| 31 | how many total spinal nerve pairs are there? |
| ascending and descending tracks | very specific wires that run down the streets (bad if indention, lesion, or something in wires throws it off? |
| ascending | tracks that are always sensory |
| descending | tracks that are always motor |
| receptor, sensory (afferent) neuron, central nervous system, motor (efferent) neuron, effector (muscle or gland) | direction of muscle impulse stuff? |
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