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smooth endoplasmic reticulum

A Ca+2 sequestering compartment. In neurons, extends into dendritic spines in close proximity to the post synaptic density.

Specific

sarcoplasmic reticulum

General

endoplasmic reticulum (ER) Ca+2 sequestering compartment

References

  1. Sheng M. Molecular organization of the postsynaptic specialization. Proc Natl Acad Sci U S A. 2001 Jun 19;98(13):7058-61. Review. PMID: 11416187