title: Anaphylatoxin formation by contact activation of plasma. II. Implication of properdin and an unknown plasma factor in activation by zymosan.
mesh_terms: D000707:Anaphylaxis; D000818:Animals; D000906:Antibodies; D003165:Complement System Proteins / Q000032:analysis; D006168:Guinea Pigs; D006462:Hemolytic Plaque Technique; D006801:Humans; D007106:Immune Sera; D011414:Properdin; D011817:Rabbits; D012911:Snakes; D014118:Toxins, Biological / Q000096:biosynthesis*; D014688:Venoms / Q000494:pharmacology; D015054:Zymosan / Q000494:pharmacology*
chemical_list: D000906:Antibodies; D007106:Immune Sera; D014118:Toxins, Biological; D014688:Venoms; D011414:Properdin; D003165:Complement System Proteins; D015054:Zymosan