Assertion: upper motor neuron | /r/CapableOf | activate lower motor neurons
Facets:
value: through synapses
type: MANNER
Source sentences:
text: Upper motor neurons relay information from the brain to the spinal cord and brainstem where they activate lower motor neurons which directly stimulate muscles to contract .
text: They activate lower motor neurons.
text: Upper motor neurons are cortico-spinal interneurons that arise from the motor cortex and descend to the spinal cord where they activate the lower motor neurons through synapses.