spinal canal and spinal cord relationships ex. 1 QQ Flashcards Preview

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Flashcards in spinal canal and spinal cord relationships ex. 1 QQ Deck (4):
1

at the intervertebral foramen, what is the relationship between spinal nerve number and vertebral nerve number along the cervical spine?

in the cervical spine, spinal nerves exit above the segment they are numbered after (C8 is exception to this rule) C3 nerve exits above C3 or between C2/3

2

at the intervertebral foramen, what is the relationship between spinal nerve number and vertebral nerve number along the thoracic and lumbar spine and sacrum?

in the thoracic and lumbar spine for the sacrum, spinal nerves exit below the segment they are numbered after (Co1 exception) T6 nerve exits below T6 or between T6/T7

3

what is the relationship between rib number and vertebral numbers at the costocentral joint?

rib number always equates to the same vertebral number at the costocentral joint;
rib 3 articulates with T3 segment and also T2 segment
only ribs 1, 11, 12 joint with single segment

4

what is the relationship between spinal nerve number, rib number and vertebral number in a thoracic intervertebral foramen?

the spinal nerve number relates to the upper segment number in the vertebral couple
the rib number relates to the lower segment number in the vertebral couple