A group of differentiation surface antigens, among the first to be discovered on thymocytes and T-lymphocytes. Originally identified in the mouse, they are also found in other species including humans, and are expressed on brain neurons and other cells.

Synonyms: Thy 1 Antigens, Thy-1.2 Antigen, Antigen, CD90, Thy 1 Antigen, Antigens, CD90, Thy-1.1 Antigen, Thy-1 Antigen, CD90 Antigens, Antigen, Thy-1.2, 0, Antigen, Thy-1.1, Antigen, Thy-1, Antigens, Thy 1, CD90 Antigen, Thy 1.1 Antigen, Thy-1 Antigens, Antigens, Thy-1, Thy 1.2 Antigen