title: Direct activation of complement by trypanosomes.
mesh_terms: D000818:Animals; D002417:Cattle; D003172:Complement C1 / Q000378:metabolism; D003175:Complement C2 / Q000378:metabolism; D003186:Complement C9 / Q000378:metabolism; D003165:Complement System Proteins / Q000378:metabolism*; D006168:Guinea Pigs; D006801:Humans; D051381:Rats; D014345:Trypanosoma / Q000276:immunology*; D014350:Trypanosoma lewisi / Q000276:immunology; D014352:Trypanosomiasis / Q000276:immunology*
chemical_list: D003172:Complement C1; D003175:Complement C2; D003186:Complement C9; D003165:Complement System Proteins