Assertion: nervous system's neuron | /r/CapableOf | synapse onto postganglionic neuron
Facets:
value: before innervating the target organ
type: TEMPORAL
Source sentences:
text: The autonomic nervous system is unique in that it requires a sequential two-neuron efferent pathway; the preganglionic neuron must first synapse onto a postganglionic neuron before innervating the target organ.