Spinal cord & nerves
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  • Interaction Between Neurons
  • A Typical Motor Neuron

Transcript

  • 1. Spinal Cord Ch 13 & Nerves
  • 2. The Spinal Cord
  • 3. Peripheral Nervous System cranial nerves- 12 pr spinal nerves- 31 pr
  • 4. The Spinal Cord ventral root pia mater dura mater arachnoid grey matter dorsal root white matter spinal nerves
  • 5. The Spinal Cord spinal cord spinal nerve vertebra
  • 6. Nerve Pathways into the Spinal Cord sensory pathway motor pathway
  • 7. Neuron-To-Neuron Transmission synapses
  • 8. Spinal Nerves
  • 9. Spinal Cord
  • 10. Spinal Nerves
  • 11. Spinal Nerves
  • 12. Cervical Plexus
  • 13. Brachial Plexus
  • 14. Thoracic Nerves
    • T3-T12
    • 11 intercostal nerve
    • 1 subcostal nerve
  • 15. Lumbar Plexus
  • 16. Sacral Plexus
  • 17. Functional Divisions of the Peripheral Nervous System
    • Afferent Division
      • Sensory (advances) neuron – goes toward CNS
    • Efferent Division
      • Motor (exits) neuron- leaves CNS
      • Somatic Nervous System
      • Autonomic Nervous System
  • 18. Spinal Reflex Arc patellar ligament stretch receptor motor neuron sensory neuron motor neuron interneuron