![](https://synapseweb.clm.utexas.edu/sites/default/files/styles/os_files_xlarge/public/synapseweb/files/1_6_6_0.gif?m=1484252010&itok=pchD4XWH)
Fig. 1.6.06. Axo-spinous synapses. Note the arrays of parallel fine filaments with 20 nm periodicity (red lines). S - dendritic spines. Scale = 100 nm. (Mouse, neocortex.) Download the high resolution image (a); Download the high resolution image (b).