Nodal Signaling LigandsZebrafishZebrafish ProteinsNodal ProteinDracunculus NematodeLeft-Right Determination FactorsDracunculiasisLotusGastrulaBody PatterningRhizobiaceaeNervous SystemIntracellular Signaling Peptides and ProteinsEndodermEmbryo, NonmammalianGene Expression Regulation, DevelopmentalTransforming Growth Factor betaMesodermMutationFabaceaeIn Situ HybridizationHomeodomain ProteinsSignal TransductionSymbiosisTranscription FactorsProteinsMolecular Sequence DataTrans-ActivatorsAmino Acid Sequence