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Embryo after first cleavage is completed

LM of a stage 2, 2-cell embryo in vitro after first cleavage is complete and nuclei are apparent.

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

Keywords: blastomere cell membrane, cleavage complete, cytoplasm of blastomere, first polar body, nucleus, nucleus of blastomere, second polar body, subzonal space

Source: The Virtual Human Embryo.