At what level do the majority of nerve fibers cross from the right to the left?Group of answer choicesponscervical region of spinal cordmedullaT1-T12
Question
At what level do the majority of nerve fibers cross from the right to the left?Group of answer choicesponscervical region of spinal cordmedullaT1-T12
Solution
The majority of nerve fibers cross from the right to the left at the level of the medulla. This process is known as decussation. It occurs in the medulla oblongata, which is a part of the brainstem. Here, the motor fibers originating from the cerebral cortex cross over to the opposite side. This is why each side of the brain controls the opposite side of the body.
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