Preganglionic neurons of the sympathetic division originate in the
A. lateral horns of the thoracolumbar spinal segments.
B. dorsal horns of the craniosacral brain and spinal cord.
C. ventral horns of the cervical and thoracic spinal segments.
D. dorsal horns of the thoracolumbar spinal segments.
E. ventral horns of the cervical and sacral spinal cord.
Answer: A
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