Phys. [f. LYMPHOCYTE + -OSIS.] A morbid increase in the number of lymphocytes.

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1896.  Allbutt’s Syst. Med., I. 730. In the lymphocytosis he sees a prognostic sign of great value.

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1900.  Allchin’s Man. Med., II. 291. The lymphocytes are generally increased to the greatest extent (lymphocytosis).

3