Dendritic Spines

نویسندگان

  • Karen Zito
  • Venkatesh N. Murthy
چکیده

What are they? Dendritic spines are small protrusions that emerge from the dendrites of neurons (Figure 1). Most excitatory synapses in the brain are found on spine heads. Typically, a spine consists of a bulbous head, volume 0.001–1 μm3, at the end of a thin spine neck, diameter around 0.1 μm. A 100 μm length dendrite can contain several hundred spines. The human cerebral cortex is thought to contain in the order of 1014 spines!

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عنوان ژورنال:
  • Current Biology

دوره 12  شماره 

صفحات  -

تاریخ انتشار 2002