Term: EVL anatomical margin
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: anatomical margin
Synonyms: edge, margin
Definition: Fiat anatomical region extending a short distance from the boundary of an object inwards.
Ontology: Spatial Ontology [BSPO:0000006]