Examlex
Define demography.What three processes of population change are basic to the work of demographers? Describe what each measures.
Antigens
Antigens are substances, usually proteins or polysaccharides, that the immune system identifies as foreign or dangerous, triggering an immune response.
Rh Antigen
An antigen found on the surface of red blood cells, significant in determining blood type and incompatibility in transfusions.
Monoclonal Antibodies
Laboratory-produced molecules engineered to serve as substitute antibodies that can restore, enhance, or mimic the immune system's attack on cells.
Plasma Cells
Immune cells that secrete large quantities of antibodies, derived from B cells, critical for the humoral immune response.
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