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pugsrule915
on FreezingBlue Flashcards.
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number of cervical nerves
8 pairs
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number of thoracic nerves
12 pairs
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number of lumbar nerves
5 pairs
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number of sacral nerves
5 pairs
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number of pairs of coccygeal nerves
1 pair
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nerves of the neck
cervical nerves
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nerves of the chest
thoracic nerves
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nerves of the sacrum
sacral nerves
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layers of the meninges
- dura mater
- arachnoid membrane
- pia mater
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dura mater
- tough, fibrous membrane that covers the entire length of the spinal cord and contains channels for blood to enter brain tissue
- outermost membrane
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arachnoid membrane
- runs across the subdural space
- second layer which surrounds the brain and spinal cord
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pia mater
- thin membrane containing many blood vessels that nourish the spinal cord
- third layer which is closest to the brain and spinal cord
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meningitis
inflammation of the meninges
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meningocele
hernia or swelling of the meninges
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