Term: margin dorsal-ventral gradient
Name: margin
Synonyms:
Definition: Embryonic structure, the edge of the blastoderm.
Ontology: Anatomy Ontology [ZFA:0000038]

Name: dorsal-ventral gradient
Synonyms:
Definition: Anatomical gradient that is distributed along the dorsal-ventral axis.
Ontology: Spatial Ontology [BSPO:0000053]