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Spinal cord & nerves
 

Spinal cord & nerves

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  • Interaction Between Neurons
  • A Typical Motor Neuron

Spinal cord & nerves Spinal cord & nerves Presentation Transcript

  • Spinal Cord Ch 13 & Nerves
  • The Spinal Cord
  • Peripheral Nervous System cranial nerves- 12 pr spinal nerves- 31 pr
  • The Spinal Cord ventral root pia mater dura mater arachnoid grey matter dorsal root white matter spinal nerves
  • The Spinal Cord spinal cord spinal nerve vertebra
  • Nerve Pathways into the Spinal Cord sensory pathway motor pathway
  • Neuron-To-Neuron Transmission synapses
  • Spinal Nerves
  • Spinal Cord
  • Spinal Nerves
  • Spinal Nerves
  • Cervical Plexus
  • Brachial Plexus
  • Thoracic Nerves
    • T3-T12
    • 11 intercostal nerve
    • 1 subcostal nerve
  • Lumbar Plexus
  • Sacral Plexus
  • 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
  • Spinal Reflex Arc patellar ligament stretch receptor motor neuron sensory neuron motor neuron interneuron