Fig. 2From: Single-wall carbon nanotubes improve cell survival rate and reduce oxidative injury in cryopreservation of Agapanthus praecox embryogenic callusCell ultrastructure observation of Agapanthus praecox during the SWCNTs-added cryopreservation. a, b the EC before cryopreservation, c, d the EC after pre-culture, e–h the EC after dehydration, i–l the EC after dilution. Cell wall (CW), endoplasmic reticulum (ER), golgi apparatus (G), lipid body (LB), mitochondrion (M), starch grains (SG), vesicle (VES)Back to article page