Nerves of the Spinal Cord

Question 1

Where does the spinal cord lie?

Answer 1

In the VERTEBRAL canal

Question 2

What is the cone like structure where the spinal cord end?

Answer 2

The conus medullaris

Question 3

Where does the spinal cord end?

Answer 3

L1 - sometimes L2

Question 4

Where does the pia matter end?

Answer 4

The coccyx

Question 5

What is the name of where the pia matter terminates?

Answer 5

Filum terminale

Question 6

What are the 3 meninges of the spinal cord?

Answer 6

Dura matter
Arachnoid matter
Pia matter

Question 7

What is the space between the arachnoid and pia matter?

Answer 7

Sub- arachnoid space

Question 8

Where does the dural and arachnoid matter extend to?

Answer 8

S3

Question 9

Where is a lumbar puncture performed?

Answer 9

L3-L4

Question 10

What is the sub-dural space?

Answer 10

The space between the dura matter and arachnoid matter

Question 11

What is the epidural space?

Answer 11

The space between the dura and bone

Question 12

Where does the somatic spinal nerves emerge from?

Answer 12

T1-L2

Question 13

What horn contains the cell bodies of the sympathetic neurons?

Answer 13

Lateral horn

Question 14

Where is sympathetic outflow?

Answer 14

Thoraco lumbar

Question 15

Where is parasympathetic outflow?

Answer 15

Cranial sacral

Question 16

What is the white ramus?

Answer 16

The pre-ganglionic

Question 17

What is the grey ramus?

Answer 17

The post-ganglionic

Question 18

How do sympathetic fibres emerge the spinal cord?

Answer 18

In the ventral root via white r.c

Question 19

Where are sympathetic fibres distributed after synapsing?

Answer 19

Both ventral and dorsal rami

Question 20

How are above T1 and below L2 supplied with sympathetic info?

Answer 20

The sympathetic chain

Question 21

Where does the sympathetic chain extend from to?

Answer 21

C1 to Co

Question 22

What are the 3 possibilities of sympathetic fibres?

Answer 22

Synapse at level of entry
Run up or down the chain and synapse
Pass straight through and synapse at pre-aortic ganglion

Question 23

Where do the thoracic splanchnic nerves synapse?

Answer 23

In the sympathetic chain

Question 24

Where do abdominal splanchnic nerves synapse?

Answer 24

Not in the chain but in the pre-aortic ganglia outwith the chain

Question 25

Where must the T5-T12 splanchnic nerves pass through?

Answer 25

The diaphram

Question 26

Which spinal cord segments give rise to somatic nerve fibres?

Answer 26

C1-S5

Question 27

Which spinal cord segments give rise to sympathetic nerve fibres?

Answer 27

T1-L2

Question 28

Which horn gives rise to autonomic nerve cells?

Answer 28

Lateral horns

Question 29

To where does the sympathetic chain extend?

Answer 29

C1-Coccyx

Question 30

Where do the thoracic splanchnic nerves synapse?

Answer 30

Ganglion on the front of the aorta ganglia

Question 31

What nerves do the limb receive?

Answer 31

Sympathetic

Question 32

Where are parasympathetic fibres carried?

Answer 32

Some cranial nerves

S2-S4

Question 33

Where do the pelvic splanchnic nerves originate from?

Answer 33

S2-S4

Question 34

Where do the pelvic splanchnic nerves synapse?

Answer 34

Synapse at their target