Term: somite 1 posterior region
Name: somite 1
Synonyms:
Definition: Anteriormost undifferentiated mesodermal component of early trunk segment or metamere, derived from paraxial mesoderm; forms the myotome, sclerotome and perhaps dermatome.
Ontology: Anatomy Ontology [ZFA:0000072]

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