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Spine and Sympathetic Trunk

Lab quiz 8 will be on the spine, the PNS and the ANS. There will be some overlap on the models. Below is a crossectional view the spine and sympathetic trunk. Identify the structures below. Be sure to see the other sympathetic trunk model in the cervical, thoracic, and lumbar regions.

Word Bank

  • Anterior Horn
  • Anterior Median Fissure
  • Anterior Ramus
  • Anterior Root
  • Anterior White Matter
  • Arachnoid Mater
  • Dura Mater
  • Lateral Horn
  • Lateral White Matter
  • Posterior Horn
  • Posterior Ramus
  • Posterior Root Ganglion
  • Posterior White Matter
  • Ramus communicans
  • Sympathetic Ganglia
  • Sympathetic Trunk
 		Sympathetic trunk and spine

Notes

  • Posterior = Dorsal
  • Anterior = Ventral
  • Ramus=singular. Rami=plural
  • Gray and white MaTTer
  • Dura, Arachnoid, and Pia MaTer.
  • Funiculus= area of white mater in the spine. Thus, technically the posterior white matter is also the posterior funiculus.

Questions

The sympathetic branch of the nervous system gets the body ready to expend energy in stressful situations.
  1. Pick one of your favorate movies.
  2. Tell me the name of the movie.
  3. Tell me a sceen in the movie where the main charactor would be have a sympathetic response. Summarize in 1-2 sentences. I know how to google.
  4. Tell me why it is a sympathetic response.
Posterior White Matter Lateral White Matter Anterior White Matter Anterior Horn Lateral Horn Posterior Horn Dura Mater Arachnoid Mater Posterior Root Ganglion Anterior Root Posterior Ramus Anterior Ramus Ramus communicans Sympathetic Ganglia Sympathetic Trunk