| NOUN | body | pyramidal motor system, pyramidal tract, corticospinal tract | 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 |
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| Meaning | 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. | |
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| Synonyms | pyramidal tract, corticospinal tract | |
| Part of | central nervous system, CNS, systema nervosum centrale | The portion of the vertebrate nervous system consisting of the brain and spinal cord |
| Parts | basal ganglion | Any of several masses of subcortical grey matter at the base of each cerebral hemisphere that seem to be involved in the regulation of voluntary movement |
| Broader | motor nerve, efferent nerve, efferent | A nerve that conveys impulses toward or to muscles or glands |
| Spanish | tracto piramidal | |
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