part of part of lacks_plasma_membrane_part has plasma membrane part develops from develops from DN1 thymic pro-T cell thymic conventional dendritic cell A dendritic cell arising in thymus that has the phenotype CD11c-positive, CD11b-negative, and CD45RA-negative. In the mouse this cell expresses CD8-alpha-alpha. conventional dendritic cell integrin alpha-M integrin alpha-X receptor-type tyrosine-protein phosphatase C isoform CD45RA thymus