"Live imaging" refers to the act of capturing and viewing real-time pictures or videos of something as it happens. It allows us to see and document events or processes as they occur, without any delay or time lapse. Full definition
Using live imaging of mouse oocytes, the researchers found that the «stronger» centromeres were more likely to detach from the spindle than weaker centromeres and were especially likely to detach if they were oriented to the cortical side of the cell, presumably in order to flip and reorient themselves to the egg pole of the cell. (sciencedaily.com)