cytology

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cytology (sy-tol-ŏji) n. the study of the structure and function of cells. aspiration c. the aspiration of specimens of cells from tumours or cysts through a hollow needle, using a syringe, and their subsequent examination under the microscope after suitable preparation (by staining, etc.). cervical c. the microscopic examination of cells obtained by scraping the cervix. See cervical (smear). exfoliative c. the microscopic examination of cells that have already been shed, used in the diagnosis of various diseases. See also liquid-based cytology.
—cytological adj.

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