Carnegie Stage 2-26 – Compacting embryo

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SEM of a compacting stage 2 embryo in vitro, post insemination day 4. Intercellular cleft between some blastomeres have disappeared and have dense microvilli. Other blastomeres are flattened against each other with greatly reduced intercellular clefts. Noncompacted cells are also present which have fewer microvilli. Zona pellucida was removed mechanically.

From: Nikas et al., 1996. Reproduced with permission of the publisher, John Wiley & Sons.

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Keywords: blastomere, compacting embryo, intercellular cleft, stage 2 embryo, zona pellucida

Source: The Virtual Human Embryo.

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	Compacting embryo

The Virtual Human EmbryoDigitally Reproduced Embryonic Morphology

Compacting embryo

The Virtual Human Embryo
Digitally Reproduced Embryonic Morphology