RT Book, Section A1 Levinson, Warren A1 Chin-Hong, Peter A1 Joyce, Elizabeth A. A1 Nussbaum, Jesse A1 Schwartz, Brian SR Print(0) ID 1190864864 T1 Complement T2 Review of Medical Microbiology & Immunology: A Guide to Clinical Infectious Diseases, 17e YR 2022 FD 2022 PB McGraw-Hill Education PP New York, NY SN 9781264267088 LK accessmedicine.mhmedical.com/content.aspx?aid=1190864864 RD 2024/04/19 AB The complement system consists of approximately 20 proteins that are present in normal human (and other animal) serum. The term complement refers to the ability of these proteins to complement (i.e., augment) the effects of other components of the immune system (e.g., antibody). Complement is an important component of our innate host defenses.