For the first time, it is possible to actually watch the initial 24 hours of the life of an embryo at the cellular level. With a newly developed microscope, scientists were able to track the complex cellular organization of a zebrafish embryo as it grows from a single cell to 20,000 cells.
The montage video below is of three-dimensional images taken at 10-minute intervals and shows cells dividing and moving around the embryo to form specialized tissues.
Source article here.
Thursday, October 09, 2008
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