Specializing in Canine and Feline Neurology and Neurosurgery for Over 30 Years

upper motor neuron

A neuron that is part of the motor nerve pathway that orignates in the brain and terminates at a peripheral motor neuron; damage to this pathway releases the peripheral nerve from central control, often causing exaggerated responses. 

Related Words

brain ; central nervous system (CNS) ; motor nerve ; motor neruon ; neruon ; peripheral nervous system (PNS)