a. [f. as prec. + L. -fug-us fleeing + -AL.] An epithet of nerve-fibers that run from the brain to the spinal cord, and convey cerebral impulses outward.
So Cerebripetal a., epithet of the nerve fibers that run in the opposite direction, and convey sensations from the outer parts to the brain.
1879. Syd. Soc. Lex.