Journal
ANNUAL REVIEW OF FLUID MECHANICS, VOL 50
Volume 50, Issue -, Pages 347-370Publisher
ANNUAL REVIEWS
DOI: 10.1146/annurev-fluid-010816-060238
Keywords
actin; active polar gel; blebs; cytoplasmic fluid flow; free moving boundary; myosin
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The cell is a mechanical machine, and continuum mechanics of the fluid cytoplasm and the viscoelastic deforming cytoskeleton play key roles in cell physiology. We review mathematical models of intracellular fluid mechanics, from cytoplasmic fluid flows, to the flow of a viscous active cytoskeletal gel, to models of two-phase poroviscous flows, to poroelastic models. We discuss application of these models to cell biological phenomena, such as organelle positioning, blebbing, and cell motility. We also discuss challenges of understanding fluid mechanics on the cellular scale.
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