Antigens, Surface

**Definition:** Antigens on surfaces of cells, including infectious or foreign cells or viruses. They are usually protein-containing groups on cell membranes or walls and may be isolated.

**Tree numbers:** - D23.050.301

**Synonyms:** - Immunologic Surface Markers - Surface Markers, Immunologic - Markers, Immunological Surface - Surface Markers, Immunological - Surface Antigen - Surface Antigens - Cell Surface Antigens - Cell Surface Antigen