Quicktime Movie - Blastocyst Contractions

From Embryology
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width=500px|height=450px|controller=true|autoplay=false</qt> Movie shows in vitro development of a human blastocyst between day 5 and day 6 post-fertilization.

00:07 day 5 - contraction

00:08 - re-expansion

00:15 - contraction (collapse)

00:16 - re-expansion (blastocoel enlargement)

00:17 - commence blastocyst hatching (1 o'clock position)

Human blastocyst day 5-6.jpg

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<pubmed>20890283</pubmed>| Nat Biotechnol.

Reprinted by permission from Macmillan Publishers Ltd: Nat Biotechnol. (Non-invasive imaging of human embryos before embryonic genome activation predicts development to the blastocyst stage. Wong CC, Loewke KE, Bossert NL, Behr B, De Jonge CJ, Baer TM, Pera RA. Nat Biotechnol. 2010 Oct 3. [Epub ahead of print] PMID: 20890283), copyright (2010)