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Module of L-R development. Timing of developmental stages and L-R modules.
| Stage hrs | st. 1-3 0-2 hrs 1-4 cells | st. 6-9 3-7 hrs blastula | st. 10-14 9-20 hrs gastrula – early neurula | st. 15-18 17-20 hrs neurula | st. 19-45 20-106 hrs tadpole | |
|---|---|---|---|---|---|---|
| LR module | “ion-flux” | Serotonin localization | SGF | Nodal cascade & organ situs | ||
| readout | Nodal cascade & Organ situs | SGF | SM Xnr3 Foxj1 | GRP ciliation Morphology Marker genes | Flow quality directionality Coco | |
