Carnegie Stage 2-33 – 7-cell embryo

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Low power TEM of a section of a stage 2, 7-cell embryo in vivo, (original magnification x3,500). A round nucleus (N) is centrally located in one of the blastomeres (Bl) adjacent to the subzonal space (*).

ZP = zona pellucida

From: Pereda and Croxatto, 1992. Reproduced with permission of the Annals, Academy of Medicine, Singapore.

Click on the picture to view the full-sized image.

Keywords: blastomere, nucleus, seven-cell embryo, stage 2 embryo, subzonal space, zona pellucida

Source: The Virtual Human Embryo.

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	7-cell embryo

The Virtual Human EmbryoDigitally Reproduced Embryonic Morphology

7-cell embryo

The Virtual Human Embryo
Digitally Reproduced Embryonic Morphology