T cells undergo positive selection in the thymus, which means they
develop surface antigen receptors
remain alive but unresponsive
multiply and form clones of identical T cells
react against self antigens
die and macrophages phagocytize them
develop surface antigen receptors
remain alive but unresponsive
multiply and form clones of identical T cells
react against self antigens
die and macrophages phagocytize them