Brainstem Motor Pathways
Neuroanatomy
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Pathways
Q. During dissection of the brainstem, a student identifies motor fibers in the medullary pyramids that are about to decussate. Which fibers are most likely present here?
a
Corticobulbar fibers destined for cranial nerve motor nuclei
b
Lateral corticospinal fibers for distal musculature
c
Anterior corticospinal fibers for truncal stability
d
Fibers of the medial longitudinal fasciculus
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