Antigens, CD

**Definition:** Differentiation antigens residing on mammalian leukocytes. CD stands for cluster of differentiation, which refers to groups of monoclonal antibodies that show similar reactivity with certain subpopulations of antigens of a particular lineage or differentiation stage. The subpopulations of antigens are also known by the same CD designation.

**Tree numbers:** - D23.050.301.264.035 - D23.101.100.110

**Synonyms:** - CD Antigen - Cluster of Differentiation Antigen - Cluster of Differentiation Marker - Cluster of Differentiation Antigens - Cluster of Differentiation Markers