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Atlas of Ultrastructural Neurocytology
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1.4.1. Dendritic Spines

Copyright © J Spacek
Fig. 1.4.1.6. This dendritic spine (S) contains a cistern of smooth endoplasmic reticulum in its head (arrow), directed to a punctum adherens attaching an astrocyte process (a). The similar cistern (arrow) comes to the punctum from the astrocyte side. AT - axon terminal. Scale = 200 nm. (Human, neocortex.)

2/26/02 © J Spacek