Cytoarchitectonic is a technical term used in neuroanatomy to describe the study of cellular structure and organization in different regions of the brain. If you're looking for synonyms for this term, you may consider using 'histoarchitectonic', 'neuroarchitectonic', or 'cytoarchitecture'. These terms are often used interchangeably, depending on the context. You may also consider using 'microscopic anatomy', which refers to the study of tissues and organs at the microscopic level. In summary, if you're describing the cellular structure and organization of a specific brain region, you can use any of these synonyms to convey the same meaning.