TY - CHAP M1 - Book, Section TI - THE IMMUNE SYSTEM A1 - Greidinger, Eric L. A2 - Janson, Lee W. A2 - Tischler, Marc E. PY - 2018 T2 - The Big Picture: Medical Biochemistry AB - The immune system, composed of antigens, antibodies, and several specialized leukocyte (white blood cell) types, offers the human body adaptable protection against infections and invasion by foreign molecules and cells. Besides responses by antibodies and cells, the immune system is also composed of a complement-activated pathway that allows an alternative to respond to infectious organisms. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/10/11 UR - accessmedicine.mhmedical.com/content.aspx?aid=1152118787 ER -