| 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: | detection of nodal flow |
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| Synonyms: | |
| Definition: | The series of events by which an endogenous stimulus is received by a cilium on a cell and converted to a molecular signal contributing to left/right asymmetry. |
| Ontology: | GO: Biological Process [GO:0003127] QuickGO AmiGO |