... catenary curve seen in arch bridges, owing to a constraint from anisotropic and localized tissue growth. Catenary curve Organ shape Plant root tip Scaling Anisotropic growth Developmental constraint Plant and animal organ forms (i.e. outline morphologies of organs) are defined by size...

...José M. De las Heras; Celia García-Cortés; David Foronda; José Carlos Pastor-Pareja; L. S. Shashidhara; Ernesto Sánchez-Herrero ABSTRACT Although the specific form of an organ is frequently important for its function, the mechanisms underlying organ shape are largely unknown. In Drosophila...