title: Observations on the role of the spleen in immune defense.
mesh_terms: D000818:Animals; D000936:Antigen-Antibody Complex; D003176:Complement C3 / Q000502:physiology; D003179:Complement C3b / Q000502:physiology; D004211:Disseminated Intravascular Coagulation / Q000209:etiology; D006801:Humans; D007075:Immunoglobulin M / Q000096:biosynthesis; D010587:Phagocytosis; D011183:Postoperative Complications; D011817:Rabbits; D051381:Rats; D013154:Spleen / Q000276:immunology*; D013156:Splenectomy; D014405:Tuftsin / Q000096:biosynthesis
chemical_list: D000936:Antigen-Antibody Complex; D003176:Complement C3; D007075:Immunoglobulin M; D003179:Complement C3b; D014405:Tuftsin