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Spinal Cord, Spinal Nerves, and the Autonomic Nervous System Review Sheet 21

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  • March 2012
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R E V I E W
NAME ____________________________________ LAB TIME/DATE _______________________

S H E E T
EXERCISE

21

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Spinal Cord, Spinal Nerves, and the Autonomic Nervous System Anatomy of the Spinal Cord
1. Match each anatomical term in the key to the descriptions given below. Key: a. D C B A cauda equina 1. 2. 3. 4. b. conus medullaris c. filum terminale d. foramen magnum

most superior boundary of the spinal cord meningeal extension beyond the spinal cord terminus spinal cord terminus collection of spinal nerves traveling in the vertebral canal below the terminus of the spinal cord

2. Match the key letters on the diagram with the following terms. K A C 1. 2. 3. 4. 5. arachnoid mater central canal dorsal (posterior) horn dorsal ramus of spinal nerve dorsal root ganglion o n a

N J O D L

6. 7. 8. 9. 10.

dorsal root of spinal nerve dura mater gray commissure lateral horn pia mater

F M I

11. 12. 13. 14. 15.

spinal nerve ventral (anterior) horn ventral ramus of spinal nerve ventral root of spinal nerve white matter

H

E B

G

b c

m

d

l

e f

k

g

h j

i

141

3. Choose the proper answer from the following key to respond to the descriptions relating to spinal cord anatomy. Key: a. D B A sensory 1. 2. 3. b. motor c. both sensory and motor B A A&B 4. 5. 6. d. interneurons

neuron type found in dorsal horn neuron type found in ventral horn neuron type in dorsal root ganglion

fiber type in ventral root fiber type in dorsal root fiber type in spinal nerve

4. Where in the vertebral column is a lumbar puncture generally done? Why is this the site of choice?

between L3 and L5

does not endanger the delicate spinal cord

5. The spinal cord is enlarged in two regions, the

cervical

and the

lumbar

regions.

What is the significance of these enlargements? of the body have to fit in these areas

because spinal cord is not that but all the nerves that branch out

6. How...