Transverse tubules are a common feature in large mammalian atrial myocytes including human.

@article{Richards2011TransverseTA,
  title={Transverse tubules are a common feature in large mammalian atrial myocytes including human.},
  author={Mark L. A. Richards and Jessica D Clarke and P Saravanan and Niels Voigt and Dobromir Dobrev and David A Eisner and Andrew W. Trafford and Katharine M Dibb},
  journal={American journal of physiology. Heart and circulatory physiology},
  year={2011},
  volume={301 5},
  pages={
          H1996-2005
        }
}
  • Mark L. A. Richards, Jessica D Clarke, +5 authors Katharine M Dibb
  • Published 2011
  • Medicine, Biology
  • American journal of physiology. Heart and circulatory physiology
  • Transverse (t) tubules are surface membrane invaginations that are present in all mammalian cardiac ventricular cells. The apposition of L-type Ca(2+) channels on t tubules with the sarcoplasmic reticulum (SR) constitutes a "calcium release unit" and allows close coupling of excitation to the rise in systolic Ca(2+). T tubules are virtually absent in the atria of small mammals, and therefore Ca(2+) release from the SR occurs initially at the periphery of the cell and then propagates into the… CONTINUE READING

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