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Related Experiment Videos

Embryonic tissue morphogenesis modeled by FEM

G W Brodland1, D A Clausi

  • 1Department of Civil Engineering, University of Waterloo, ON.

Journal of Biomechanical Engineering
|May 1, 1994
PubMed
Summary
This summary is machine-generated.

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This study presents a finite element model for embryonic tissue morphogenesis. Simulations reveal that epithelial sheet patterns are material-property independent and neural tube closure results from apical microfilament bundle contraction.

Area of Science:

  • Developmental Biology
  • Biophysics
  • Computational Biology

Background:

  • Embryonic development involves complex tissue morphogenesis.
  • Understanding the mechanical forces driving these processes is crucial.

Purpose of the Study:

  • To develop a 3D, large-strain finite element formulation for simulating embryonic tissue morphogenesis.
  • To investigate key morphogenetic processes like invagination and neural tube closure.

Main Methods:

  • Developed a novel three-dimensional, large-strain finite element formulation.
  • Applied the model to simulate tissue invagination, neural tube morphogenesis, contraction wave propagation, and mechanical pattern formation.

Main Results:

  • Epithelial sheet pattern spacing and shape are minimally dependent on underlying material properties.

Related Experiment Videos

  • Simulations of neural tube closure successfully reproduced experimentally observed features solely through apical microfilament bundle contraction.

    • Conclusions:

    • The mechanical behavior of certain force systems and deformation patterns are equivalent, limiting direct inference from simulations.
    • The developed model provides a powerful tool for studying the mechanics of embryonic development.