Movie 7

Caput sperm from a B1-EGFP mouse isolated in vitro. 3D reconstruction from a stack of 0.3-μm interval images corresponding to panel C-d of Fig. 5, acquired using the Zeiss LSM800 confocal microscope. A EGFP⁺ vesicle is in close proximity with the sperm head. DNA in sperm is labeled in blue with DAPI.