T tubules
The action potential generated travels deep into the cell by the aid of t-tubules, which are invaginations of the sarcolemma. They help spread the impulse so that the cell is able to contract at the same time.[1]
References
- ↑ A.Fullick, J.Locke, P.Bircher. A level biology for OCR. Oxford University Press, Great Clarendon Street, Oxford, OX2 6DP, United Kingdom. 2015.
==