A factor of complement inactivated by histamine or ethylenediamine.
D003165:Complement System Proteins; D005029:Ethylenediamines / Q000494:pharmacology*; D006632:Histamine; D018494:Histamine Agents; D006801:Humans
D005029:Ethylenediamines; D018494:Histamine Agents; C031234:ethylenediamine; D006632:Histamine; D003165:Complement System Proteins
COMPLEMENT; ETHYLENEDIAMINES/effects; HISTAMINE/effects