Last updated on April 18, 2014 at 21:21 EDT
2Blood cells
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2Blood cells

March 25, 2013
High magnification transmission electron microscope image of a human leukocyte, showing an eosinophil granule. These granules are large(0.1-1.0micron) spherical, membrane-bound structures, containing a dense and lamellated crystalloid core. JEOL 100CX TEM Credit: Louisa Howard