n. The study of the structure and functions of the cells of animals and plants; especially, the study of the cells of the human body, and of the significance of changes in their form and location in disease.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the branch of biology that studies the structure and function of cells
Word Usage
"If cytology is positive or a plaque is regarded as suspicious, a biopsy is needed to confirm a diagnosis of mesothelioma A doctor removes a sample of tissue for examination under a microscope by a pathologist."