DON W. FAWCETT / SCIENCE PHOTO LIBRARY DON W. FAWCETT / SCIENCE PHOTO LIBRARY
Transmission electron micrograph of an intestinal epithelial cell of Amphiuma tridactylum. The fibrous lamina (in red) is visible as a continuous dense layer about 60 nm thick interposed between the inner nuclear membrane (light blue) and the heterochromatin (dark blue).
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