spinal cord diagrams + models

1

dura mater

2

arachnoid mater

3

pia mater

4

posterior root

5

anterior root

6

spinal nerve

7

posterior root ganglion

9

spinal cord

10

subarachnoid space

11

epidural space

1

cervical spinal nerves

2

thoracic spinal nerves

3

lumbar spinal nerves

4

sacral spinal nerves

5

filum terminale

6

cauda equina

7

conus medullaris

8

lumbar enlargement

9 (zoom in)

subarachnoid space

10

cervical enlargement

what spinal nerves make up the cervical enlargement?

C3-C7

what spinal nerves make up the lumbar enlargement?

~T11-T12

how do you name the spinal nerves?

above vertebra of same name for C1-C7, C8, and below verterba of same name for rest

1

posterior (dorsal) median sulcus

2

posterior (dorsal) horn

3

lateral funiculus

4

lateral horn

5

gray commissure

6

anterior (ventral horn)

7

anterior (ventral) median fissure

8

pia mater

9

arachnoid mater

10

dura mater

11

white matter

12

central canal

13

posterior (dorsal) root

14

posterior (dorsal) root ganglion

15

spinal nerve

16

anterior (ventral) root

1

posterior (dorsal) median sulcus

2

posterior (dorsal) horn

3

gray commissure

4

white matter

5

central canal

6

anterior (ventral) horn

7

anterior (ventral) median fissure

1

coccygeal nerves

3

cervical plexus

4

brachial plexus

5

intercostal nerves

6

lumbar plexus

7

sacral plexus

4

anterior funiculus

5

lateral funiculus

6

posterior funiculus