Purinergic nerves.
D000249:Adenosine Monophosphate / Q000378:metabolism; D000255:Adenosine Triphosphate / Q000378:metabolism; D006801:Humans; D018377:Neurotransmitter Agents / Q000378:metabolism; D017981:Receptors, Neurotransmitter / Q000378:metabolism*
D018377:Neurotransmitter Agents; D017981:Receptors, Neurotransmitter; D000249:Adenosine Monophosphate; D000255:Adenosine Triphosphate