33.5 MB (4.4 MB compressed)
2893 x 4050 pixels
24.4 x 34.3 cm ⏐ 9.6 x 13.5 in (300dpi)
DON W. FAWCETT / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY DON W. FAWCETT / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY
Thrombocyte cell, or platelet, showing the ectoplasmic zone immediately beneath the plasmalemma. The motility and surface activity abilities of a cell (pseudopodia and phagocytosis abilities) seem to depend on the properties of the ectoplasmic zone. Transmission electron micrograph.
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