| Name: | DEL | 
|---|---|
| Synonyms: | deep cell layer, DEL cells | 
| Definition: | A multilayer of deep cells of fairly uniform thickness that forms during early epiboly (at dome stage; upon conversion of the blastodisc to the blastoderm); during gastrulation the DEL (deep cell layer) gives rise to the epiblast and hypoblast. | 
| Ontology: | Anatomy Ontology [ZFA:0000711] | 
| Name: | cell migration | 
|---|---|
| Synonyms: | |
| Definition: | The controlled self-propelled movement of a cell from one site to a destination guided by molecular cues. | 
| Ontology: | GO: Biological Process [GO:0016477] QuickGO AmiGO |