Definition of "leucocytosis" [leucocytosis]

• A raised white blood cell count, above the normal range. (noun)

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• "This, as already pointed out, depends upon the increase of opsonins, though it is also to be noted that in many infective conditions there is another factor present, namely a leucocytosis, that is, an increase of the leucocytes in the blood, and the defensive powers of the body are thereby increased."
• "A dog is given raw meat, even one fifth in quantity compared with the cooked meat, then in three or four hours time, leucocytosis results."
• "A dog is given cooked meat: no leucocytosis results."