Source:http://linkedlifedata.com/resource/umls/id/C1504405
NCI: Dysfunction of the corticospinal (pyramidal) tracts of the spinal cord. Symptoms include increased muscle tone in the lower extremities, hyperreflexia, positive Babinski, and decreased fine motor coordination.,NCI: A disorder characterized by dysfunction of the corticospinal (pyramidal) tracts of the spinal cord. Symptoms include an increase in the muscle tone in the lower extremities, hyperreflexia, positive Babinski and a decrease in fine motor coordination.