Metachronal Motion across Scales: Current Challenges and Future Directions

Area of Science:

• Biomechanics
• Fluid Dynamics
• Comparative Biology

Background:

• Metachronal motion is widespread in organisms for diverse functions, including fluid propulsion.
• Generalizing analysis across different biological systems exhibiting metachrony remains challenging.
• Understanding the biomechanics of metachronal motion is crucial for fields ranging from biology to engineering.

Purpose of the Study:

• To provide an overview of commonalities and differences in metachronal systems generating fluid flow.
• To propose strategies for standardizing terminology in metachronal research.
• To identify future research directions and address common challenges in the study of metachronal motion.

Main Methods:

• Literature review and synthesis of existing studies on metachronal motion.
• Comparative analysis of metachronal systems across different organisms and functions.
• Identification of common challenges and opportunities in experimental and computational approaches.

Main Results:

• Identified shared principles and divergent strategies in metachronal fluid generation.
• Highlighted the need for standardized terminology to facilitate cross-system comparisons.
• Outlined key challenges, including scaling and inter-system variability.
• Recognized opportunities presented by advancements in experimental and computational technologies.

Conclusions:

• Standardizing terminology and research approaches will advance the biomechanics of metachronal motion.
• Interdisciplinary collaboration and leveraging new technologies are essential for future progress.
• Further research is needed to fully understand and potentially harness metachronal systems.