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Sarcoplasmic reticulum

From Biology-Online Dictionary | Biology-Online Dictionary
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Definition

noun

The special type of smooth endoplasmic reticulum found in smooth and striated muscle fibers whose function is to store and release calcium ions.


Supplement

The sarcoplasmic reticulum releases calcium ions during muscle contraction and absorb them during relaxation.


Word origin: Greek sarx = "flesh".

Compare: endoplasmic reticulum.