Spiral wave

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Spiral waves are travelling waves that rotate outward from a center in a spiral. They are a feature of many excitable media. Spiral waves have been observed in various biological systems[1][2] including systems such as heart ventricular fibrillation,[3] retinal spreading depression,[4] Xenopus oocyte calcium waves,[5] and glial calcium waves in cortical tissue culture.[6] File:Spiral-Wave-Dynamics-in-a-Mathematical-Model-of-Human-Ventricular-Tissue-with-Myocytes-and-pone.0072950.s008.ogv

References

  1. ↑ Winfree AT. (2001). The Geometry of Biological Time. New York: Springer-Verlag. 
  2. ↑ Murray JD. (2003). Mathematical Biology II: Spatial models and biomedical applications. New York: Springer-Verlag. 
  3. ↑ "Stationary and drifting spiral waves of excitation in isolated cardiac muscle". Nature 355: 349–351. 1992. doi:10.1038/355349a0. PMID 1731248. 
  4. ↑ "Spiral waves of spreading depression in the isolated chicken retina". J Neurobiol 14: 353–363. 1983. doi:10.1002/neu.480140503. PMID 6619832. 
  5. ↑ "Spiral calcium wave propagation and annihilation in Xenopus laevis oocytes". Science 252: 123–126. 1991. doi:10.1126/science.2011747. PMID 2011747. 
  6. ↑ "Glial calcium: homeostasis and signaling function". Physiol. Rev. 78: 99–141. 1998. doi:10.1152/physrev.1998.78.1.99. PMID 9457170. 




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