Assertion: muscular atrophy | /r/CapableOf | affect lower motor neurons
Facets:
value: primarily
type: DEGREE
Source sentences:
text: Bulbospinal muscular atrophy, also known as Kennedy Disease is a rare genetic disorder which primarily affects the lower motor neurons.
text: Progressive muscular atrophy (PMA) is a very rare subtype of motor neuron disease (MND) that affects only the lower motor neurons.