Figure 9: Testicular cell cluster (TSC1) cultured for 14 days in DMEM/F-12 culture medium with follicular fluid and expressing a variety of genes related to pluripotency and germ cells. (a) Morphology. (b) Small round and yellow cells with diameters of up to 5 μm (arrow) in the close surrounding. (inverted microscope, Hoffman). Scale Bar: (a) 100 μm. (b) 50 μm.