The science or study dealing with the cytologic and histologic structure of abnormal or diseased tissue. SYN: pathologic histology.
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1) a branch of pathology concerned with the tissue changes characteristic of disease
2) the tissue changes that affect a part or accompany a disease
his·to·path·o·log·i·cal·ly -i-k(ə-)lē adv
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his·to·pa·thol·o·gy (his″to-pə-tholґə-je) [histo- + pathology] pathologic histology.Medical dictionary. 2011.