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Pronunciation: si-to'sis


  1. A condition in which there is more than the usual number of cells, as in the cytosis of spinal fluid in acute leptomeningitis.
  2. Frequently used with a prefixed combining form as a means of describing certain features pertaining to cells; isocytosis, equality in size; polycytosis, abnormal increase in number.

[cyto- + G. -osis, condition]

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