| OPS | (Roman mythology) goddess of abundance and fertility |
|---|---|
| OPS | bottom-dwelling fish having scaleless slimy skin and a broad thick head with a wide mouth |
| OPS | retinal protein formed by the action of light on rhodopsin |
| OPS | an antibody in blood serum that attaches to invading microorganisms and other antigens to make them more susceptible to the action of phagocytes |
| OPS | process whereby opsonins make an invading microorganism more susceptible to phagocytosis |
| OPS | process whereby opsonins make an invading microorganism more susceptible to phagocytosis |
| OPS | make (cells) more susceptible to the action of phagocytes |