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Blastocyst Embryonic Development - Anatomy & Physiology (view source)

No change in size , 14:08, 13 August 2009

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** '''Rodent, Dog, Cat, Primate''': 8 days after fertilization

** '''Ungulates''': 12 days after fertilization.

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* Blastocyst free-floating within the ~~Uterus~~, totally dependent on the uterine environment for survival.

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* Blastocyst free-floating within the uterus, totally dependent on the uterine environment for survival.

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