Term: DEL cell surface
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 surface
Synonyms: cell associated, cell bound
Definition: The external part of the cell wall and/or plasma membrane.
Ontology: GO: Cellular Component [GO:0009986]    QuickGO    AmiGO