| 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] |