Fig. 3
From: 99m-Technetium binding site in bone marrow mononuclear cells
Ultrathin sections of bone marrow mononuclear subcellular fractions observed under transmission electron microscope. Partially disrupted cells (a) and large cell fragments (b) were found in pellet I, whereas mitochondria and lysosomes were the major component of pellet II (c). Many membrane profiles were observed in pellet III (d). Bars correspond to 20 μm (a), 10 μm (b), and 1 μm (c and d)