| Term: | external yolk syncytial layer marginal blastomere |
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| Note: | This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name. |
| Name: | external yolk syncytial layer |
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| Synonyms: | E-YSL |
| Definition: | The portion of the YSL that is outside of the blastoderm margin during epiboly. |
| Ontology: | Anatomy Ontology [ZFA:0000309] |
| Name: | marginal blastomere |
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| Synonyms: | marginal blastomeres |
| Definition: | Cells (incompletely cleaved before the YSL forms), located at the surface just at the rim of the blastodisc, external to the deep blastomeres. |
| Ontology: | Anatomy Ontology [ZFA:0000541] |