Corticifugal refers to the nerve fibers that travel away from the cerebral cortex. Some synonyms for corticifugal include efferent, descending, motor, and centrifugal. Efferent refers to neural pathways carrying signals from the central nervous system to the periphery. Descending refers to neural pathways moving downward from the brain to the spinal cord. Motor refers to nerve fibers that regulate movement and muscle contraction. Centrifugal refers to nerve fibers that move away from the central nervous system. These synonyms can be useful in medical and scientific contexts where precise terminology is necessary to describe various neural pathways.