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ECB-STAGE-132
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Name: stage 12
ECAO ID: 0000286 Definition: "The embryo has hatched from the fertilization envelope and is undergoing the earliest cell movements of gastrulation (includes early, mid-, and late mesenchyme blastula stages and blastopore formation stage)." |
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| Preceded By: stage 11 | Succeeded By: stage 13 |
Component Stages: hatched blastula stage, early mesenchyme blastula stage, mid-mesenchyme blastula stage, late mesenchyme blastula stage