👉 An opsonoid is a type of biological molecule that plays a crucial role in phagocytosis, or the process by which cells engulf and digest foreign particles. Opsonoids are composed of a complex array of molecules that include antibodies, phagocytic enzymes, and other cellular components. They act as receptors for foreign substances, triggering an immune response and allowing the cell to engulf and digest them. In the context of phagocyte biology, opsonoids play a critical role in
