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

Name: anterior-posterior axis
Synonyms: A-P axis, anteroposterior axis, AP axis, cephalocaudal axis, craniocaudal axis, rostral/caudal, rostrocaudal axis
Definition: An axis that extends through an organism from head end to opposite end of body or tail.
Ontology: Spatial Ontology [BSPO:0000013]