purinergic
/ˌpjʊərɪˈnəːdʒɪk/Physiology
adjective
Of, relating to, or designating neurons and neural pathways that utilize a purine, especially a purine nucleotide, as a neurotransmitter. Later also: of, relating to, or designating signalling of this nature between other types of cell.
Origin
1970s; earliest use found in The Courier-Mail. From purine + -ergic.