Gross Anatomy Part 2

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Gross AnatomyPart 2

• Robert M. Miller, Ph.D.

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Brainstem Nuclei
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Ascending sensory tracts (discriminative touch,
pressure, position)
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Descending motor tract
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Spinal cord cross-section
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Nucleus Pulposus
Gelatinous central portion of an intervertebral
disc
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Vertebral Anatomy
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www.ski-injury.com/spinal1.htm
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Levels of Injury,Extent of Paralysis
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Cervical Spinal Cord Injury
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Cervical 5 Spinal Cord Injury
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• The peripheral nervous system is subdivided
• sensory-somatic nervous system and the
• autonomic nervous system

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Hypothalamus central ANS control
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The Sympathetic Nervous System
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The Parasympathetic Nervous System
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Key Concepts

• Develop an understanding of the concept of
  ascending and descending pathways
• Recognize the general organization of the spinal
  cord
• Recognize the general organization of the
  brainstem
• Understand the divisions of the ANS and give
  examples of sympathetic and parasympathetic
  responses