Morphologic and immunophenotypic properties of the non-T, non-B lymphocytes after culture. (A) Photomicrograph of a cytospin preparation of cultured non-T, non-B lymphocytes (Aqueous Romanowsky stain, 500X magnification). (B-F) Flow cytometric light scatter and expression of CD45, CD3, CD5, CD22, and CD14 in non-T, non-B lymphocytes after 14 days in culture with IL-2 + IL-15.