Exam 1-Spinal Canal and Spinal Cord Relationships Flashcards

1
Q

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

A

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

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2
Q

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

A

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
i.e. T3 nerve exits the intervertebral foramen formed by T3/T4 and rib 4 joints with this vertebral couple.

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