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20 Cards in this Set
- Front
- Back
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spinal cord controls ____ activities
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reflex
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spinal cord transmits info from ____ ____ to the ____ & back
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peripheral nerves - brain
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spinal cord runs from the ____ ____ to ____ of the vertebrae
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foramen magnum - L1 or L2
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spinal cord have ____ & ____ enlargements
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cervical - lumbar
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____ pairs of spinal cord nerves emerge from the ____
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31 - cord
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____ ____ is extension of pia mater attaching the cord to coccyx
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filum terminale
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the caudal end of the spinal cord is the ____ ____
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conus medullaris
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the cauda equina are ____ from the lower cord running ____ before exiting the vertebrae
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nerves - inferiorly
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gray matter is in the ____ of the cord & forms an "____" shape
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interior - H
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3 horns in the gray matter
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ventral (anterior) - dorsal (posterior) - lateral
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the ventral horn has ____ anterior projections of ____ ____
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2 - gray matter
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the ventral horns contain cell bodies of large
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alpha motor neurons
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in the dorsal horns, incoming ____ sensory neurons enter & synapse with ____ neurons
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unipolar - association
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cell bodies of unipolar neurons are located in the
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dorsal root ganglia
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lateral horns are only visible in
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T1 to L2
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lateral horns contain ____ neuron cell bodies
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autonomic
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connects right & left halves of the gray matter
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gray commissure
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2 external fissures of the spinal cord
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anterior median fissure - posterior median sulcus
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white matter is divided into columns called
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white columns or funiculi
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name the 3 funiculi
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anterior - lateral - posterior
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