Ops Health Dictionary

Substances present in the SERUM of the blood which act upon bacteria, so as to prepare them for destruction by the white cells of the blood.... opsonins

combining form denoting a condition of vision. Example: erythropsia (red vision).... opsia

n. a series of erratic eye movements, resembling a large-amplitude fast *nystagmus and developing spontaneously, that is seen in people with disease of the cerebellum or other parts of the brain.... opsoclonus

n. a serum *complement component that attaches itself to invading bacteria and apparently makes them more attractive to *phagocytes and thus more likely to be engulfed and destroyed.... opsonin

n. the process by which opsonins render foreign organisms or particles more attractive to *phagocytes by attaching to their outer surfaces and changing their physical and chemical composition. Phagocytic leucocytes express receptors for these opsonins and thereby engulf and digest foreign organisms or particles.... opsonization