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| The ''Sarcoplasmic Reticulum ''is a specialized type of [[Endoplasmic Reticulum|endoplasmic reticulum]] that is found in the [[Cytoplasm|cytoplasm]] of striated [[Muscle|muscle]] cells <ref name="microbiology of the cell">Albert et al., molecular biology of the cell, fifth edition, Garland sciences, Newyork,</ref>. The tubular structures surround the <u>[[Myofibrils|myofibrils]]</u> of the muscle cell and their function is to store [[Calcium|Ca]]<sup>[[Calcium|2+]] </sup>[[Ions|ions]], until they are released when triggered by electical impulses travelling down [[T-tubules|T-tubules]] <ref>Alberts et al., Molecular biology of the cell, Fifth edition, Garland science, Taylor and francis group, New York</ref>. This triggers contraction of the muscle via the <u>[[Sliding filament theory|sliding filament theory]]</u>''' <ref>Alberts et al.,2008, Molecular biology of the cell, Fifth edition, Page 1026, New York, garland science.</ref>, '''which occurs until the Ca<sup>2</sup><sup>+ </sup>is actively pumped back into the sarcoplasmic reticulum.<sub></sub>
| | See [[Sarcoplasmic_Reticulum|Sarcoplasmic Reticulum]] |
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| === References ===
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| <references />
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Latest revision as of 17:59, 6 December 2011