USMLE Forums - View Single Post - Spinal Nerve Root number and inter vertebral disc herniation
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Old 11-16-2011
CHAKRAM CHAKRAM is offline
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wats the case in case of lubmar disc herniation

more simple formula -
relation between spinal segment and cord segment

cervical vertebrae add 1 to vertebral level
upper thoracic vertebrae add 2 to vertebral level
lower thoracic vertebrae add 3 to vertebral level
T 10 VERTEBRAE all dorsal segments over
T 12 vertebrae all lumbar segments over
At L1 all sacral segments over
below L1 Cauda equina



further for pictorially understanding zygophyseal joint, consult http://en.wikipedia.org/wiki/File:Gray90.png
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