Anat.
any of four tracts of descending motor fibers that extend in pairs down each side of the spinal column and function in voluntary movement.
[ 1885-90 ]
Anat.
any of four tracts of descending motor fibers that extend in pairs down each side of the spinal column and function in voluntary movement.
[ 1885-90 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012