| Name: | Kupffer's vesicle |
|---|---|
| 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: | 9+2 motile cilium |
|---|---|
| Synonyms: | conventional motile cilium, motile 9+2 cilium, sperm flagellum |
| Definition: | A motile cilium where the axoneme has a ring of nine outer microtubule doublets plus two central microtubules (and is therefore called a 9+2 axoneme). |
| Ontology: | GO: Cellular Component [GO:0097729] QuickGO AmiGO |