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From Embryology
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Latest revision as of 18:51, 25 September 2011
58 cells, Carnegie No. 8794.
- Described by Hertig et al. (1954).
- Uterine. Diameter, 230 x 190 μm (108 X 86 after fixation; 101 x 73.3 after sectioning); diameters of blastomeres varied from 15 to 23 after sectioning; polar bodies, 18 μm after fixation.
- Zona pellucida intact while fresh but partly deficient after fixation (fig. 3-2).
- Two polar bodies. Early blastocystic cavity. Believed to be about 4 days old.
