Cell surface markers are unassuming yet essential components of the intricate biological machinery that powers life. Nestled on the outer membrane of cells, they act as molecular sentinels, allowing cells to communicate, recognize each other, and orchestrate complex processes. This article embarks on a journey to explore the multifaceted world of cell surface markers, from their diverse types to their crucial roles in immunology and biotechnology. Learn more: Cell Surface Markers: Unlocking the Secrets of Cellular Identity