Fertilization and first mitosis of a human egg from mitosis Watch Video
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Description: Time-lapse photography of a fertilized oocyte, kept in an incubator under normal culture conditions. Observation made under Hoffman contrast illumination at 400 x magnification. After extrusion of the second polar body, the female pronucleus is seen migrating towards the male pronucleus, After meeting, they both migrate towards the center of the egg, re-orient themselves in respect to the polar bodies, anddisappear before the first mitosis takes place.
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