Term: neural tube anterior-posterior axis
Name: neural tube
Synonyms: presumptive central nervous system
Definition: Portion of tissue that is the cavity-containing primordium of the central nervous system, developing from the neural rod in the late segmentation period.
Ontology: Anatomy Ontology [ZFA:0001135]

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]