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Embryo before hatching

Light micrograph of a stage 3 embryo in vitro before hatching. Notice the dense and compact inner cell mass (embryoblast) in this expanded blastocyst.

From: Ménézo et al., 1999. Reproduced with permission of the publisher, Cambridge University Press.


Keywords: dense and compact inner cell mass (embryoblast), embryo before hatching, expanded blastocyst, inner cell mass (embryoblast)


Source: The Virtual Human Embryo.