Movie S7.
Original bright-field micrographs and reconstructed 3D beat dynamics of the flagellum in the head-centered frame. Viscosity is 1 cSt, and shear rate is 2.56 s−1.
Bimodal rheotactic behavior reflects flagellar beat asymmetry in human sperm cells
PNAS. 2015. 112:15904-15909 DOI: 10.1073/pnas.1515159112