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Terminal phase of hatching

Stage 3 embryo in vitro in the terminal phase of the hatching process. The blastocyst increases in size as it emerges from the zona pellucida. Note fragments left behind.

From: Veeck and Zaninovic´, 2003. Reproduced with permission of the publisher, Francis and Taylor Group.


Keywords: blastocyst(s), blastocystic cavity (blastocoele), inner cell mass (embryoblast), mural trophoblast, terminal phase of hatching, zona pellucida


Source: The Virtual Human Embryo.