SCI: BASIC ANATOMY

Question 1

& ends at the upper border of __ if children

Answer 1

L3

Question 2

connects anterior & posterior

gray columns

Answer 2

Gray commissure

Question 3

The rest exit below their corresponding vertebrae

Answer 3

The rest exit below their corresponding vertebrae

Question 4

exits below C7 vertebrae

Answer 4

C8 nerve root

Question 5

cylindrical gray & white structures that passes

through the vertebral foramina

Answer 5

SPINAL CORD

Question 6

SC ends between L2 & L3 (thus

lumbar puncture is done between L4-L5)

Answer 6

12 yo

Question 7

o Central, H-shaped
o Nerve cell bodies or somas are found
o Posterior/dorsal column
o Ventral/anterior column

Answer 7

GRAY MATTER

Question 8

exit above their corresponding

vertebrae

Answer 8

C1-7 nerve roots

Question 9

Starts at the ___ & ends between ____ if adult,

Answer 9

FORAMEN MAGNUM, L1-L2

Question 10

bc of the brachial plexus

Answer 10

Cervical enlargement

Question 11

Located in the upper 2 lumbar &

thoracic segments

Answer 11

Lateral horns

Question 12

SC ends between L1-L2 (thus lumbar

puncture is done at L3-L4)

Answer 12

AFTER 12 YO

Question 13

the verdict roll column length & SC length is

the same

Answer 13

6 MONTHS

Question 14

the middle of gray commissure

Answer 14

Central canal

Question 15

Spinal dura matter ends at

Answer 15

S2

Question 16

31 pairs of spinal nerves:

Answer 16

8 cervical, 12 thoracic, 5

lumbar, 5 sacral & 1 coccygeal

Question 17

bc of the lumbosacral

plexus

Answer 17

Lumbar enlargement