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Organization of distinct actin pools in dendritic spines. Shown is a schematic depicting the spatial organization of actin dynamics within different regions of the spine. Two types of actin, Arp2/3-dependent (red) and formin-based actin (orange), are delineated. Regions of the spine referenced in the text, including the synaptic zone, spine neck, and filopodial-like projections, are also labeled.
