Cytoskeleton of a cultured epithelial cell. Microtubules are shown in green, actin is shown in red and DNA is in blue.Image by Steve Rogers.

• 人工培养的动物上皮细胞，目前处于分裂间期。绿色为微丝，红色为肌动蛋白，蓝色为DNA（染色质）。