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Biophysical Journal 25: 365-372 (1979)
© 1979 the Biophysical Society

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Trajectories of human granulocytes.

R L Hall and S C Peterson

ABSTRACT

The spatial trajectories of human granulocytes moving on glass in two dimensions under an isotropic medium may be characterized as realizations of a correlated walk. The present model is similar to an earlier one for slime-mold amebae. The correlation from step to step is essentially via the relative angle theta, represented for granulocytes as a random variable with a symmetric bimodal density. As the cells age, they appear to turn less and the degree of correlation increases. Even under chemotaxis the angle theta and the step length r appear to be statistically independent.






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Copyright © 1979 by the Biophysical Society.