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Essentials of Nervous System Anatomy: Nuts and Bolts Fundamentals

Discover the basic unit of the nervous system and its organization in the spinal cord and peripheral nerves. Learn about white and gray matter, myelin staining, and terminology like dorsal-ventral and rostral-caudal planes. Explore the somatic and autonomic branches, along with sensory dermatomes and motor output. Gain insights into the CNS and PNS division. Dive into the details of Schwann cells and oligodendrocytes.

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Essentials of Nervous System Anatomy: Nuts and Bolts Fundamentals

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Presentation Transcript

  1. NUTS AND BOLTS to get started

  2. Planes and terms • Superior-inferior • Medial- lateral • Dorsal-ventral • Rostral-Caudal

  3. Coronal or Frontal Planes

  4. The basic unit of the nervous system

  5. Similarity to other cells

  6. Shwann cells vs Oligodendrocytes

  7. White matter and gray matter

  8. Myelin Staining in the Spinal cord

  9. A brief Consideration of the PNS; an artificial division

  10. The vertebral column

  11. Each vertebra houses a spinal cord segment

  12. Each segment is similar

  13. Dorsal = sensoryVentral = motor

  14. Each segment gives rise to nerve pairs

  15. And the column collectively gives rise to 30 peripheral nerve pairs

  16. Each nerve pair contains thousands of incoming and outgoing axons

  17. The Somatic Branch of the PNS • - Provides all somatosensory information to the central nervous system (brain)

  18. Sensory dermatomes

  19. The Somatic Branch of the PNS relays motor output to skeletal muscles (Not smooth muscle)

  20. The other subdivision of the PNS-the ANS

  21. Sympathetic activation may be magnified by adrenal gland

  22. THE CNS

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