Figure 1

NT2/D1 cells in expansion medium. Phase contrast images of three typical morphologies of NT2/D1 cells in expansion medium, (RPMI, FBS and antibiotics) analyzed in a CK2 Olympus microscope: A. Embryoid body-like structures, magnification 40×; B. epithelioid-like phenotype, magnification 100×; C. neuronal-like phenotype, magnification 200×.