Assertion: trigeminal nerve's fiber | /r/HasProperty | preganglionic fibers
Facets:
Source sentences:
text: The motor root is supposed to contain sympathetic efferent fibers (preganglionic fibers) from the nucleus of the third nerve in the mid-brain to the ciliary ganglion where they form synapses with neurons whose fibers (postganglionic) pass to the Ciliary muscle and to Sphincter muscle of the pupil.