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Flashcards in Spinal Cord Deck (18)
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1
Q

In the horizontal view, what direction of the spinal cord tends to be the largest?

A

transverse

2
Q

What are the spinal cord enlargement locations and the name given to each?

A

C3-T1; the cervical enlargement

T9-T12; the lumbar (lumbosacral) enlargement

3
Q

Where is the greatest transverse diameter of the spinal cord?

A

C6

4
Q

In which plane will the diameter of the spinal decrease from C2 to T1?

A

midsagital or anterior-posterior plane

5
Q

What spinal nerves originate from the lumbar (lumbosacral) enlargement?

A

L1-S3 spinal nerves

6
Q

What is a generic cord level of origin- vertebral level combination for the lumbar (lumbosacral) enlargement?

A

L1, L2 Cord Level in the T9 vertebra
L3, L4 cord level in T10 vertbebra
L5, S1 cord level in T11 vertebra
S2, S3 cord level in T12 vertebra

7
Q

What is the caudal end of the spinal cord called?

A

conus medullaris

8
Q

what spinal nerves typically originate from the conus medullaris?

A

Typically S4, S5, Co1

9
Q

In which vertebral foramen will the conus medullaris typically be observed?

A

L1

10
Q

What is the name given tho the nerve roots below L1

A

Cauda Equina

11
Q

what is the continuation of pia mater below the caudal equina called

A

fillium terminale internum

12
Q

What is the location and name given to the area where all meninges first converge at the caudal part of the vertebral column?

A

S2, Dural cul de sac

13
Q

Neural tissue has been identified in what part of the filum terminal?

A

proximal part of the filum terminale internum

14
Q

The last arterial vasa corona creates what feature on angiogram?

A

cruciate anastomosis

15
Q

What is the name given to the condensation of meninges below S2?

A

filum terminale externum

16
Q

What is the name given to the caudal attachment of the meninges?

A

coccygeal medullary vestige

17
Q

What is the name given to the condition in which the conus medullaris is located below L1 and the filum terminal is thickened?

A

tethered cord syndrome

18
Q

What is the relationship between scoliosis and tethered cord syndrome?

A

suggested that the column will change normal curvatures to mitigate damage to the spinal cord caused by a tethered cord