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Any constituent part of the endoplasmic reticulum, the irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. An organelle lumen that is part of an intracellular organelle. The cytoplasm of a muscle cell; includes the sarcoplasmic reticulum. A fine reticular network of membrane-limited elements that pervades the sarcoplasm of a muscle cell; continuous over large portions of the cell and with the nuclear envelope; that part of the endoplasmic reticulum specialized for calcium release, uptake and storage. An elaborate tubulolamellar membrane system that underlies the postsynaptic cell membrane. The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached). The region between the inner and outer lipid bilayers of the terminal cisterna envelope. This space is enriched in calsequestrin. The region between the inner and outer lipid bilayers of the longitudinal sarcoplasmic reticulum envelope. The longitudinal sarcoplasmic reticulum lumen is continuous with the lumen contained within the terminal cisternae. The volume enclosed by the membranes of the sarcoplasmic reticulum. The volume enclosed by the membranes of the endoplasmic reticulum.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: sarcoplasmic reticulum lumen
Acc: GO:0033018
Aspect: Cellular Component
Desc: The volume enclosed by the membranes of the sarcoplasmic reticulum.
Proteins in PDR annotated with:
   This term: 6 [Search]
   Term or descendants: 6 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0033018 - sarcoplasmic reticulum lumen (interactive image map)
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