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Summary Stage Literature (147) Attributions Wiki
XB-STAGE-19

Name: NF stage 7

XAO ID: 1000017

Definition: "Nieuwkoop and Faber stage 7 (64-cell stage), corresponding to an embryo of age 4 hr at 22-24 Celsius and having the following external morphological criteria: Large-cell blastula stage. In animal view about 10 micromeres along meridian. Length: 1.4 - 1.5 mm."
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Preceded By: NF stage 6.5 Succeeded By: NF stage 8