Term: axis posterior region
Name: axis
Synonyms: midline
Definition: Organism subdivision running along the rostral-caudal axis of the early embryo.
Ontology: Anatomy Ontology [ZFA:0000092]

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