Animal cells, such as these fibroblasts, lack the vacuoles and the rigid cell wall characteristic of plant cells [1].
This electron micrograph shows the nucleus, the mitochondria and the endoplasmic reticulum of a liver cell [2].
Sources
Herpes-simplex-Virus (Stamm H 23) Cytopathische Veränderungen in der Gewebekultur (Mäusefibroblasten und HEp-2). K.-O. HABERMEHL. W. DIEFENTHAL. Publ.: 1967. B&W; st; 109 m; 10 min; [1] 145 µm; PH; 8 f/min. IWF, Göttingen: E 1139
