Plural of cytology; multiple studies or branches of cell biology, or multiple cytological examinations.
From Greek 'cyto-' (cell) + '-logy' (study) + plural '-ies'. This plural form reflects how cytology has diversified into many specialized sub-disciplines.
Modern medicine now has dozens of specialized cytologies—thyroid cytology, respiratory cytology, urinary cytology—each examining different types of cells for different diseases.
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