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ECB-STAGE-12
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Name: embryogenesis
ECAO ID: 0000130 Definition: "Biological process during which the embryo forms. This process starts with the fertilization of a mature oocyte by a mature spermatozoid. It is characterized by a succession of rapid mitotic divisions with no significant growth, but with axis establishment and cellular differentiation, thereby leading to the development of a multicellular embryo." |
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| Preceded By: spermatogenesis period | Succeeded By: cleavage period |
Component Stages: 1-cell stage, cleavage period, gastrula period, blastula period, organogenesis period, stage 1, pan-echinoderm namespace, in-taxon namespace