Advanced Science, Journal Year: 2024, Volume and Issue: unknown
Published: Dec. 18, 2024
Abstract Sperm swimming is essential for reproduction, with movement strategies adapted to specific environments. navigate by modulating the symmetry of their flagellar beating, but how they swim forward asymmetrical beats remains unclear. Current methods lack ability robustly detect state in free‐swimming spermatozoa, despite its importance understanding sperm motility. This study uses numerical simulations investigate fluid mechanics beats. Results show that rotation regularizes motion, allowing persistently progressive even Crucially, 3D head orientation, rather than path, provides critical insight into state. rotations during closely resemble spinning‐top dynamics, precession driven helical beating flagellum. These results may prove future studies on role microorganisms and artificial swimmers, as body orientation detection has been largely overlooked favor path analysis. Altogether, this rotational mechanism a reliable solution propulsion navigation nature, which would otherwise be challenging flagella broken symmetry.
Language: Английский