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Definition of Polyamine
1. [n -S]
Medical Definition of Polyamine
1. A polymer of an amine. Class name for substances of the general formula H2N(CH2)nNH2, H2N(CH2)nNH(CH2)nNH2, H2N(CH2)nNH(CH2)nNH(CH2)nNH2, where n = 3, 4, or 5. Many polyamine's arise by bacterial action on protein; many are normally occurring body constituents of wide distribution, or are essential growth factors for microorganisms. Origin: G. Polys, much, many + amine (05 Mar 2000)