DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY
Coloured transmission electron micrograph (TEM) of Nucleus from a neuroglial cell (insect nervous system). Note the nucleolus and condensed DNA in the nucleus. Mitochondria and endoplasmic reticulum are in the surrounding cytoplasm. Magnification: x3,980 when shortest axis printed at 25 millimetres.
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