Term: EVL epiboly
Name: EVL
Synonyms: enveloping layer
Definition: Outermost monolayer of cells surrounding the embryo that become very flattened in the blastula and give rise to the periderm. Sometimes used synonymously with periderm.
Ontology: Anatomy Ontology [ZFA:0000086]

Name: epiboly
Synonyms:
Definition: The expansion of one cell sheet over other cells or yolk.
Ontology: GO: Biological Process [GO:0090504]    QuickGO    AmiGO