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  1. substance P

    • IPA[ˌsəbst(ə)ns ˈpē]

    美式

    • n.
      a compound thought to be involved in the synaptic transmission of pain and other nerve impulses. It is a polypeptide with eleven amino-acid residues.
    • noun: substance P

    • 更多解釋
    • n.
      a compound thought to be involved in the synaptic transmission of pain and other nerve ...

    Oxford Dictionary