|OBO ID: ZFA:0000111|
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|Term Name:||germ ring||Search Ontology:|
|Definition:||Embryonic structure that forms as a thickened annulus at the blastoderm rim. The germ ring is thickened because it is the involuting margin of the blastoderm. (1)|
|Appears at:||Gastrula:Germ-ring (5.66h-6.0h)|
|Evident until:||Gastrula:Bud (10.0h-10.33h)|
|is a type of:||