neuro part 1 org and cranial nerves.txt

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Author:
mhunger
ID:
178648
Filename:
neuro part 1 org and cranial nerves.txt
Updated:
2012-10-20 22:00:00
Tags:
neuro part cranial nerves
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Description:
neurology organization and cranial nerves
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  1. Neuron or nerve cell
    • basic unit of nervous sytem
    • cell body (with nucleus)
    • axon (with myelin sheath and nodes of Ranvier)
    • dendrites
    • branched terminals
    • synapse (terminals - presynaptic and postsynaptic)
  2. Classification of a neurotransmitter
    • synthesis
    • storage
    • release
    • binding
    • breakdown
  3. Peripheral nervous system (PNS)
    • somatic nervous system (SNS)
    • autonomic nervous system (ANS)
  4. Somatic nervous system
    • regulates body movement through control of skeletal muscles
    • produces conscious response to environmental changes
    • includes 12 pair of cranial nerves and 31 pair of spinal nerves
  5. Cranial nerves
    • I - Olfactory VII - Facial
    • II - Optic VIII - Vestibulocochlear
    • III - Oculomotor IX - Glossopharyngeal
    • IV - Trochlear X - Vagus
    • V - Trigeminal XI - Accessory
    • VI - Abducens XII - Hypoglossal
  6. Cranial nerve I
    • Olfactory
    • smell
  7. Cranial nerve II
    • Optic
    • sight
  8. Cranial nerve III
    • Oculomotor
    • eye movement
  9. Cranial nerve IV
    • Trochlear
    • eye movement
  10. Cranial nerve V
    • Trigeminal
    • face - sensory, motor
  11. Cranial nerve VI
    • Abducens
    • eye movement
  12. Cranial nerve VII
    • Facial
    • face - expression, memory
  13. Cranial nerve VIII
    • Vestibulocochlear
    • hearing and balance
  14. Cranial nerve IX
    • Glossopharyngeal
    • tongue and throat
  15. Cranial nerve X
    • Vagus
    • parasympathetic and sensory
  16. Cranial nerve XI
    • Accessory
    • head, neck & shoulders movement; swallowing
  17. Cranial nerve XII
    • Hypoglossal
    • speech, chewing and swallowing

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