51.7 MB (7.2 MB compressed)
3891 x 4644 pixels
33.0 x 39.4 cm ⏐ 13.0 x 15.5 in (300dpi)
DON W. FAWCETT / SCIENCE PHOTO LIBRARY DON W. FAWCETT / SCIENCE PHOTO LIBRARY
Colour enhanced transmission electron micrograph of a plasma cell from guinea pig bone marrow. This cell is actively engaged in the synthesis of immunoglobulin and therefore has an extensive rough endoplasmic reticulum.
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