DON FAWCETT / SCIENCE PHOTO LIBRARY DON FAWCETT / SCIENCE PHOTO LIBRARY
Cell microtrabecular network. Coloured scanning electron micrograph (SEM) of the microtrabecular network of a 3t3 culture cell. This network is part of the cytoplasmic matrix of structural proteins, such as actin and tubulin, that supports the cell's organelles and other internal structures.
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