| Name: | Kupffer's vesicle |
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| Synonyms: | ciliated organ of asymmetry |
| Definition: | Small but distinctive epithelial sac containing fluid, located midventrally posterior to the yolk cell or its extension, and transiently present during most of the segmentation period. Kupffer's vesicle has been compared to the mouse embryonic node. |
| Ontology: | Anatomy Ontology [ZFA:0000001] |
| Name: | epithelial cell morphogenesis |
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| Synonyms: | |
| Definition: | The change in form that occurs when an epithelial cell progresses from its initial formation to its mature state. |
| Ontology: | GO: Biological Process [GO:0003382] QuickGO AmiGO |