Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Noun: pyramidal motor system
  1. Any of the important motor nerves on each side of the central nervous system that run from the sensorimotor areas of the cortex through the brainstem to motor neurons of the cranial nerve nuclei and the ventral root of the spinal cord
    "Damage to the pyramidal motor system can result in paralysis or weakness on the opposite side of the body";
    - pyramidal tract, corticospinal tract

Derived forms: pyramidal motor systems

Type of: efferent, efferent nerve, motor nerve

Part of: central nervous system, CNS, systema nervosum centrale

Encyclopedia: Pyramidal motor system