Assertion: parasympathetic nervous system's neurotransmitter | /r/HasProperty | delivered within close proximity
Facets:
value: to immune cells
type: TRANSITIVE-OBJECT
Source sentences:
text: But before this assumption would be proven, it was imperative to first show that lymphoid organs were innervated with sympathetic nerve fibers so that the labile neurotransmitter would be delivered within close proximity to immune cells.