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| Substance P Euler-Gaddum Substance P | Hypothalamic Substance P | SP(1-11) | Euler Gaddum Substance P | P, Euler-Gaddum Substance | P, Hypothalamic Substance | P, Substance | Substance P, Euler-Gaddum | Substance P, Hypothalamic 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. |