Fluid transport properties dominate blastocyst expansion over mechanics
Louise Dagher, Matteo Bassanini, Ludmilla de Plater, Giacomo Gropplero, Clément Caporal, Aurélien Maillot, Ozan Kastas, Charlie Duclut, Stéphanie Descroix, Jean‐Léon Maître
The paper investigates the role of osmotic pressure and mechanical stresses in blastocyst expansion using mouse embryos and finds that osmotic pressure differences dominate over mechanical stresses.
bioRxiv · Oct 12, 2026 · PreprintDevelopmental Biology