| Term Name: | internal yolk syncytial layer |
|---|---|
| Synonyms: | I-YSL |
| Definition: | The portion of the YSL that lies deep to the blastoderm during epiboly. |
| Appears at: | Blastula:Oblong (3.66h-4.0h) |
| Evident until: | Pharyngula:Prim-15 (30.0h-36.0h) |
| Ontology: | Anatomy Ontology [ZFA:0000712] |
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