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A model stretch: explaining the rheology of developing tissue

  • Recent research emphasizes the role of mechanical forces in tissue development.
  • Study by Konstantin Doubrovinski explores how developing fruit fly tissue stretches.
  • Previous observations of tissue extension puzzled researchers due to a non-zero exponent.
  • Experiments ruled out viscosity as the cause of the non-zero exponent.
  • Researchers used ferrofluid droplets to manipulate Drosophila epithelial cells for measurements.
  • Observations of power law scaling law confirmed over varying time scales.
  • Simulation by Mohamad Ibrahim Cheikh unexpectedly yielded the observed power law.
  • Researchers simplified the complex model to a lattice of springs to understand the system.
  • Experimental and theoretical curves could be rescaled, supporting the proposed model.
  • Findings could have implications beyond fruit flies to other developmental stages and organisms.

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