Definition
opsonin
noun
- A substance in blood serum that enhances the ability of white blood cells to destroy bacteria and other pathogens.
Usage: technical; immunology
Examples
- Opsonins coat the surface of bacteria, making them easier for immune cells to recognize and eliminate.
- The body produces opsonins as part of its natural defense against infection.
- Researchers studied how opsonins improve the efficiency of phagocytosis in immune responses.
- Certain opsonins bind to pathogens and mark them for destruction by macrophages.
- The concentration of opsonins in the blood can indicate the strength of an immune response.