Extranuclear is the term used to refer to processes or molecules that exist outside the nucleus in a cell. There are many synonyms for this term that can be used interchangeably, such as cytoplasmic, perinuclear, or extracellular. Cytoplasmic refers to the region surrounding the nucleus, while perinuclear refers to the area adjacent to the nucleus. Extracellular describes substances that exist outside the cell entirely, potentially in interstitial spaces between cells. Other related terms include intercellular, which refers to substances between cells, and intracellular, describing substances inside a cell. In summary, there are numerous synonyms for extranuclear that provide context about the location and environment of various cellular substances.