Term Name:	Spemann organizer formation at the embryonic shield
Synonyms:	Spemann's organizer formation at the embryonic shield, Spemann-Mangold organizer formation at the embryonic shield
Definition:	Formation of the specialized region of the embryonic shield of the embryo that acts as the main signaling center establishing the teleost body plan.
Ontology:	GO: Biological Process [GO:0060063]    QuickGO    AmiGO