Cytoarchitecture is a term used to describe the arrangement or organization of cells within a specific tissue or structure. There are several synonyms for the word cytoarchitecture which can be used interchangeably, such as cellular architecture, histological organization, cell morphology, microstructure, and tissue architecture. Each synonym reflects a different aspect of the cellular makeup or organization. While cytoarchitecture focuses on the organization of cells, cellular architecture emphasizes the physical structure of cells. Histological organization refers to the study of the microscopic structure of tissues, whereas cell morphology focuses on the shape of cells. Microstructure examines the small-scale features of tissues. Tissue architecture refers to the structural organization of tissues as a whole.