Term Name: | primitive streak formation |
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Synonyms: | |
Definition: | The developmental process pertaining to the initial formation of the primitive streak from unspecified parts. The primitive streak is a ridge of cells running along the midline of the embryo where the mesoderm ingresses. It defines the anterior-posterior axis. |
Ontology: | GO: Biological Process [GO:0090009] QuickGO AmiGO |