Sarcoplasmic reticulum

From The School of Biomedical Sciences Wiki
Revision as of 20:33, 8 January 2011 by Nnjm2 (talk | contribs)
Jump to navigation Jump to search

The Sarcoplasmic Reticulum is a specialized type of endoplasmic reticulum that is found in the cytoplasm of muscle cells [1] in striated muscle fibres. The tubular structures surround the myofibrils of the muscle cell and their function is to store Ca2+ ions, and release the Ca2+ when triggered to by T-tubules [2]. This triggers contraction of the muscle via the sliding filament theory [3] which occurs until the sarcoplasmic reticulum removes Ca2+.

References

  1. Albert et al., molecular biology of the cell, fifth edition, Garland sciences, Newyork,
  2. Alberts et al., Molecular biology of the cell, Fifth edition, Garland science, Taylor and francis group, New York
  3. Alberts et al.,2008, Molecular biology of the cell, Fifth edition, Page 1026, New York, garland science.