Term: segmental plate posterior region
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: posterior region
Synonyms:
Definition: Anatomical region posteriorly located on the body or body part.
Ontology: Spatial Ontology [BSPO:0000072]