Visualization (biomedical imaging) is the process and techniques employed to transform complex data acquired from biomedical imaging modalities (such as MRI, CT, PET, ultrasound, microscopy) into visual representations. This discipline focuses on rendering, manipulating, and displaying often multi-dimensional and multi-modal datasets to enhance human understanding, interpretation, and analysis of biological structures, functions, and pathologies. Its significance lies in making intricate anatomical and physiological information accessible and discernible, thereby enabling critical applications including clinical diagnosis, surgical planning, treatment guidance, and fundamental biological and medical research.