Immunolocalize is a scientific term that refers to a process of detecting the location of a specific protein or molecule in a biological sample using antibodies. It is an important technique used in medical research and diagnosis. Synonyms for immunolocalize include immunostain, immunofluorescence, and immunohistochemistry. Immunostaining involves the use of a chemical compound called a stain to label specific proteins or molecules in a sample. Immunofluorescence uses fluorescent dyes to label specific molecules. Immunohistochemistry is a technique that combines immunological and histochemical methods to localize specific antigens in tissue sections. All of these words are interchangeable when referring to the process of determining the localization of a specific protein or molecule using immunological techniques.