| Name: | margin |
|---|---|
| Synonyms: | |
| Definition: | Embryonic structure, the edge of the blastoderm. |
| Ontology: | Anatomy Ontology [ZFA:0000038] |
| Name: | nodal signaling pathway |
|---|---|
| Synonyms: | nodal signaling, nodal signalling pathway |
| Definition: | The series of molecular signals initiated by nodal protein binding to an activin receptor on the surface of a target cell, and ending with the regulation of a downstream cellular process, e.g. transcription. |
| Ontology: | GO: Biological Process [GO:0038092] QuickGO AmiGO |