Term: segmental plate anterior side
Name: segmental plate
Synonyms: presomitic mesoderm, PSM
Definition: Unsegmented field of paraxial mesoderm present posterior to the most recently formed somite pair, from which somites will form.
Ontology: Anatomy Ontology [ZFA:0000279]

Name: anterior side
Synonyms: anterior, rostral
Definition: An anatomical region that is the entire part of an anatomical structure anterior to a transverse plane and bounded on one side by the same transverse plane.
Ontology: Spatial Ontology [BSPO:0000055]