Microscopic Structure of Skeletal Muscle: Sarcoplasmic Reticulum (SR)
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6 Terms
1
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What are the interconnecting tubules that encase myofibrils?
Sarcoplasmic reticulum (SR)
2
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Where do most tubules run to myofibrils?
parallel
3
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What are terminal cisterns?
large perpendicular cross channels
4
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Other tubules form ______ @ A band - I band junctions
terminal cisterns
5
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Function of Sarcoplasmic reticulum (SR)
store calcium ion (Ca2+); critical to contraction of microfibrils
6
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What is the Sarcoplasmic reticulum (SR) critical to?
the contraction of microfibrils
Note 
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