MeSH definition : An eleven-amino acid neurotransmitter that appears in both the central and peripheral
nervous systems. It is involved in transmission of PAIN, causes rapid contractions
of the gastrointestinal smooth muscle, and modulates inflammatory and immune responses.;
An eleven-amino acid neurotransmitter that appears in both the central and peripheral
nervous systems. It is involved in transmission of PAIN, causes rapid contractions
of the gastrointestinal smooth muscle, and modulates inflammatory and immune responses.