Sarcoplasmic reticulum
The sarcoplasmic reticulum is a special type of smooth ER found in smooth and striated muscle.
Sarcoplasmic reticulum An extensive intracellular compartment in muscle cells that sequesters Ca2+ and releases it in response to a nerve impulse, thereby initiating muscle contraction.
sarcoplasmic reticulum for endoplasmic reticulum
sarcosome for mitochondrion
sarcoplasm for cytoplasm
although this tends to obscure the essential similarity in structure and function of these structures and those found in other cells.
Disulfide bond formation and rearrangement. Disulfide bonds stabilize the tertiary and quaternary structure of many proteins.
Sarcoplasmic reticulum. The endoplasmic reticulum found in muscle fibers is called sarcoplasmic reticulum.
WHEN STIMULATION STOPS → Ca2+actively taken up by sarcoplasmic reticulum / myosin head detaches from actin / cross bridges reform / muscle relaxes ...
 See also: Sarcoplasm, Protein, Organ, Cell, Muscle
  
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