1. The study of disease changes within individual cells or cell types. 2. SYN: exfoliative cytology.
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cy·to·pa·thol·o·gy -pə-'thäl-ə-jē, -pa- n, pl -gies a branch of pathology that deals with manifestations of disease at the cellular level
cy·to·patho·log·i·cal·ly -i-k(ə-)lē adv
cy·to·pa·thol·o·gist -pə-'thäl-ə-jəst, -pa- n
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cy·to·pa·thol·o·gy (si″to-pə-tholґə-je) [cyto- + patho- + -logy] 1. the study of changes in cells in disease; called also cellular pathology. 2. the use of the techniques of exfoliative cytology in the diagnosis of disease.Medical dictionary. 2011.