1. a band of nerve fibers that descends in the lateral funiculus of the spinal cord and consists mostly of fibers arising in the motor cortex of the contralateral side of the brain and crossing over in the decussation of pyramids with some fibers arising in the motor cortex of the same side — called also crossed pyramidal tract
lateral corticospinal tract 例句
英汉例句
There is no decussation in the lateral corticospinal tract after the decussation at the medullary pyramids.