Platinum replica depicting the cytoskeletal organization of dendritic spines in extracted 14 DIV neurons. This image shows branched actin filaments (cyan) at the neck–head junction. Dashed arrows indicate potential filament breakage. Image corresponds to Figure 2a in Mol Biol Cell. 2010 Jan 1;21(1):165-76. The entire panel is available as CIL 40660. The uncolorized image is available as CIL 40659. Box 1, 2, and 3 (this image) are CIL 40661, 40662, and 40663, respectively.