Usage examples (19)

• I call opsonin, goes on in the system by ups and downs -- Nature being always rhythmical, you know -- and that what the inoculation does is to stimulate the ups or...
• The "opsonin," or "relish," is something exuded into or produced in the blood fluid when the attacking microbe arrives.
• In the absence of the relish (the Greek word for it used by Sir Almroth Wright, its discoverer, is "opsonin"), the eater-cells are sluggish -- too sluggish -- in their work.
• Because of this characteristic, it has been called opsonin by Wright and bacteriotropin by Neufeld.