Organ systems are groups of organs that carry out a particular function. The human body has several organ systems, including: 1  The nervous system. 2  The respiratory system. 3  The reproductive system. 4  The digestive system. Organ systems are groups of organs that carry out a particular function. The human body has several organ systems, including: 1  The nervous system. 2  The respiratory system.
monoclonal antibody. n. 1. (Biochemistry) an antibody, produced by a single clone of cells grown in culture, that is both pure and specific and is capable of proliferating indefinitely to produce unlimited quantities of identical antibodies: used in diagnosis, therapy, and biotechnology.onoclonal antibody. n. 1. (Biochemistry) an antibody, produced by a single clone of cells grown in culture, that is both pure and specific and is capable of proliferating indefinitely to produce unlimited quantities of identical antibodies: used in diagnosis, therapy, and biotechnology.
Anti-nuclear antibody. Antinuclear antibodies (ANAs, also known as antinuclear factor or ANF) are autoantibodies that bind to contents of the cell nucleus. In normal individuals, the immune system produces antibodies to foreign proteins (antigens) but not to human proteins (autoantigens).