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127775 Anatomy

A 64 year old male was undergoing aoic bypass surgery. During the procedure, the surgeon accidentally injured an aery arising from the aoa onn the left side at the level of lower thoracic that provides major blood supply to the spinal cord. Which of the following regions of the spinal cord is likely to be affected?

AUpper two thirds of the spinal cord
BLower two third of the spinal cord
Cupper one third of the spinal cord
DLower one third of the spinal cord
Anatomy
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