T tubules

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The [[action potential|action potential]] generated travels deep into the cell by the aid of t-tubules, which are invaginations of the [[sarcolemma|sarcolemma]]. They help spread the impulse so that the [[cell|cell]] is able to contract at the same time<ref>A.Fullick, J.Locke, P.Bircher. A level biology for OCR. Oxford University Press, Great Clarendon Street, Oxford, OX2 6DP, United Kingdom. 2015.</ref>.
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The [[Action potential|action potential]] generated travels deep into the cell by the aid of t-tubules, which are invaginations of the [[Sarcolemma|sarcolemma]]. When muscle is stimulated by Action Potential, the t tubules are triggered to release Ca2+ ions from the Terminal cristae of the Sarcoplasmic reticulum, which causes muscle contraction. They help spread the impulse so that the [[Cell|cell]] is able to contract at the same time<ref>A.Fullick, J.Locke, P.Bircher. A level biology for OCR. Oxford University Press, Great Clarendon Street, Oxford, OX2 6DP, United Kingdom. 2015.</ref>.  
  
=== References ===
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=== References ===
  
<references />
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<references />Calcium regulation of muscle contraction. Biophys J. 1975;15(7):707-23.

Revision as of 03:40, 26 November 2018

The action potential generated travels deep into the cell by the aid of t-tubules, which are invaginations of the sarcolemma. When muscle is stimulated by Action Potential, the t tubules are triggered to release Ca2+ ions from the Terminal cristae of the Sarcoplasmic reticulum, which causes muscle contraction. They help spread the impulse so that the cell is able to contract at the same time[1].

References

  1. A.Fullick, J.Locke, P.Bircher. A level biology for OCR. Oxford University Press, Great Clarendon Street, Oxford, OX2 6DP, United Kingdom. 2015.
Calcium regulation of muscle contraction. Biophys J. 1975;15(7):707-23.
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