| Name | Spemann organizer formation at the anterior end of the primitive streak |
| ID | GO_0060064 |
| collection_id | Biological process |
| Exact synonym | Spemann's organizer formation at the anterior end of the primitive streak |
| Description | Formation of the specialized region at the anterior end of the primitive streak of the embryo that acts as the main signaling center establishing the body plan. |
| Related synonym | Spemann organizer formation in amniotes, Spemann-Mangold organizer formation at the anterior end of the primitive streak |
| Comment | Occurs in reptiles, birds and mammals. |
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| Genes |