Cytotechnology is a branch of medical science that deals with the study of cells. Synonyms for cytotechnology include cell biology, cellular pathology, and cytogenetics. Cell biology is the study of the structure and function of cells and their organelles. Cellular pathology is the study of the effects of disease on cells and tissues. Cytogenetics is the study of the structure and function of chromosomes, including genetic abnormalities and their impact on health. These terms are all closely related to cytotechnology and are used interchangeably in many contexts. They all have in common the aim of understanding cells at the molecular and cellular level, with the goal of improving human health.