opsonize
(verb)
 to make (bacteria or other cells) more susceptible to the action of phagocytes by use of opsonins
Examples of opsonize in the following topics:
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The Complement System- This process is called opsonization.
 
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Antibody Functions- Phagocytic enhancement by antibodies is called opsonization.
- The combination of antibodies and complement enhances opsonization even further, promoting rapid clearing of pathogens.
 
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Humoral Immune Response- Antibodies also opsonize pathogen cells, wherein they mark them for destruction by phagocytic cells, such as macrophages or neutrophils.